petunioside
A particular steroid glycoside.

pezizin
An orange-yellow pigment found in Peziza species.

phaeomelanin
Alternative spelling of pheomelanin.

phaeomelanins
plural of phaeomelanin

phaeopigment
A non-photosynthetic pigment which is the degradation product of algal chlorophyll pigments. It is commonly formed during and after marine phytoplankton blooms.

phaeopigments
plural of phaeopigment

phalaenopsine
An ester of a pyrrolizidine derivative, present in phalaenopsis

phalaenopsines
plural of phalaenopsine

phanquinone
An antiprotozoal agent with bactericidal activity.

phanquone
A polycyclic compound, 4,7-phenanthroline-5,6-quinone.

pharbitin
A glycoside present in seeds of the morning glory (of former genus Pharbitis (syn. of Ipomoea).

pharbitins
plural of pharbitin

pharbitisin
Alternative form of pharbitin.

pharbitisins
plural of pharbitisin

phaseolin
A prenylated pterocarpan found in Phaseolus vulgaris seeds and in the stems of Erythrina subumbrans.

phellandral
A specific monoterpene aldehyde.

phenanthrene
A tricyclic aromatic hydrocarbon obtained from coal tar; used in the manufacture of dyes, pharmaceuticals and explosives; it is isomeric with anthracene.

phenanthrenequinone
Any of several isomeric quinones derived from phenanthrene, but especially 9,10-phenanthrenequinone obtained by oxidation with chromic acid

phenanthrenequinones
plural of phenanthrenequinone

phenanthrenes
plural of phenanthrene

phenanthridinium
The cation formed by protonation of phenanthridine

phenanthridiniums
plural of phenanthridinium

phenanthridinone
A cyclic amide derived from phenanthridine that has immunosuppressant activity

phenanthroindolizidine
A pentacyclic heterocycle consisting of a phenanthrene system fused with that of indolizidine; any derivative of this compound

phenanthroindolizidines
plural of phenanthroindolizidine

phenanthrolene
Misspelling of phenanthroline.

phenanthroline
A tricyclic heterocyclic compound having two pyridine rings fused with a benzene ring; any of its derivatives

phenanthrolines
plural of phenanthroline

phenanthryl
Any univalent radical derived from phenanthrene

phenanthrylene
Any divalent radical derived from phenanthrene, but especially 2,7-phenanthrylene

phenanthrylenes
plural of phenanthrylene

phenanthryls
plural of phenanthryl

phenate
Any salt or ester of phenol (when considered as an acid)

phenates
plural of phenate

phenathroline
Misspelling of phenanthroline.

phenazinium
A cation formed by protonation of a phenazine

phenaziniums
plural of phenazinium

phenetol
The ethyl ether of phenol, obtained as an aromatic liquid, C₆H₅.O.C₂H₅.

phenetols
plural of phenetol

phenetsal
The salicylic acid ester of acetaminophenol, used as an antirheumatic, antipyretic, antiseptic, and analgesic.

phenisobromolate
Synonym of bromopropylate.

phenol
A caustic, poisonous, white crystalline compound, C₆H₅OH, derived from benzene and used in resins, plastics, and pharmaceuticals and in dilute form as a disinfectant and antiseptic; once called carbolic acid
Any of a class of aromatic organic compounds having at least one hydroxyl group attached directly to the benzene ring (or other aromatic ring)

phenolamide
Any phenolic amide, but especially a group of compounds formed from plant polyamines

phenolamides
plural of phenolamide

phenolether
Any compound that is both a phenol and an ether

phenolethers
plural of phenolether

phenols
plural of phenol

phenolsulfonephthalein
Alternative spelling of phenolsulfonphthalein.

phenolsulfonephthaleins
plural of phenolsulfonephthalein

phenolsulfonphthalein
Phenol red, a pH indicator much used in cell biology.

phenolsulfonphthaleins
plural of phenolsulfonphthalein

phenolsulphonphthalein
Alternative spelling of phenolsulfonphthalein.

phenolsulphonphthaleins
plural of phenolsulphonphthalein

phenosafranine
The chemical compound C₁₈H₁₅ClN₄, used in photography.

phenoxazinone
A ketone derived from a phenoxazine, especially the parent compound 1H-phenoxazin-1-one

phenoxazinones
plural of phenoxazinone

phenoxenium
An unstable cation resulting from loss of a hydride ion from the hydroxyl group of a phenol

phenoxeniums
plural of phenoxenium

phenoxid
Archaic form of phenoxide.

phenoxide
any metallic salt of a phenol

phenoxides
plural of phenoxide

phenoxonium
A cation produced by removing two electrons and a hydrogen ion from phenol (C₆H₅O⁺)

phenoxy
The univalent radical C₆H₅O- derived from phenol by loss of a hydrogen atom

phenoxyacetone
An ether derived from phenol and hydroxyacetone.

phenoxyacid
Any phenoxy derivative of a fatty acid, especially those used as herbicides

phenoxyacids
plural of phenoxyacid

phenoxyl
The univalent radical C₆H₅-O- derived from phenol

phenoxyls
plural of phenoxyl

phenoxys
plural of phenoxy

phenpropionate
Any salt or ester of phenpropionic acid.

phenpropionates
plural of phenpropionate

phenthoate
A particular organothiophosphate insecticide.

phenylacetate
Any salt or ester of phenylacetic acid

phenylacetates
plural of phenylacetate

phenylacetylene
An alkyne hydrocarbon containing a phenyl group, sometimes used as an analogue for acetylene in scientific research.

phenylacetylenes
plural of phenylacetylene

phenylalanyl
The univalent radical derived from phenylalanine

phenylalanyls
plural of phenylalanyl

phenylaniline
The aromatic secondary amine (C₆H₅)₂NH; it has many industrial applications

phenylate
A salt or ester of phenylic acid.

phenylates
plural of phenylate

phenylbromide
Synonym of bromobenzene.

phenylcarbinol
benzyl alcohol

phenylcarbinols
plural of phenylcarbinol

phenyldiazomethane
The diazo compound C₆H₅CH=N⁺=N⁻; any derivative of this compound

phenyldiazomethanes
plural of phenyldiazomethane

phenylene
Any of three isomeric divalent aromatic radicals derived from benzene by removing two hydrogen atoms from the ortho-, meta- or para- positions.

phenylenes
plural of phenylene

phenylenevinylene
The divalent radical derived from phenylene and vinylene (used especially as a polymer)

phenylenevinylenes
plural of phenylenevinylene

phenylethanoid
Any of a class of phenolic compounds characterized by a phenethyl alcohol structure.

phenylethanoids
plural of phenylethanoid

phenylhydrazinium
The univalent cation formed by protonation of phenylhydrazine

phenylhydrazyl
A univalent radical derived from a phenylhydrazine

phenylhydroxylamine
The organic compound with the chemical formula C₆H₅NHOH.

phenylhydroxylamines
plural of phenylhydroxylamine

phenylketone
Any phenyl ketone C₆H₅CO-R

phenylketones
plural of phenylketone

phenyllactate
Any salt or ester of phenyllactic acid.

phenyllactates
plural of phenyllactate

phenylmercuriurea
A particular fungicide.

phenylmethane
Synonym of toluene.

phenylmethanesulfonyl
phenylmethylsulfonyl

phenylmethylsulfonyl
The univalent radical formed by the attachment of a sulfonyl group to methylbenzene (toluene)

phenylmethylsulphonyl
Alternative form of phenylmethylsulfonyl.

phenyloxy
Synonym of phenoxy.

phenyloxys
plural of phenyloxy

phenylpropanoid
Any of a class of plant-derived organic compounds that are biosynthesized from the amino acid phenylalanine

phenylpropanoids
plural of phenylpropanoid

phenylpropionate
Any salt or ester of phenylpropionic acid.

phenylpropionates
plural of phenylpropionate

phenylpyruvate
An intermediate in the biosynthesis of phenylalanine, formed by the decarboxylation of prephenate with loss of hydroxyl.

phenylpyruvates
plural of phenylpyruvate

phenylselenide
The anion C₆H₅Se⁻, or any salt containing this anion

phenylselenides
plural of phenylselenide

phenylsilatrane
A convulsant that has been used as a rodenticide.

phenylthiohydantoin
Any phenyl derivative of a thiohydantoin, but especially one formed from an amino acid in the Edman method of protein degradation

phenylthiohydantoins
plural of phenylthiohydantoin

phenylthiolate
The univalent radical C₆H₅-S- or anion C₆H₅-S⁻ derived from phenylthiol.