propylammonium
The cation formed by protonation of propylamine; any of its derivatives

propylammoniums
plural of propylammonium

propylate
Synonym of propionate.

propylates
plural of propylate

propylbenzene
The hydrocarbon CH₃-CH₂-CH₂-C₆H₅ that is the parent compound of the lignans

propylbenzenes
plural of propylbenzene

propylcarbinol
n-butanol, a primary alcohol with a four-carbon structure and the chemical formula C₄H₉OH.

propylene
The organic chemical compound propene. An alkene which is a colorless gaseous (at room temperature and pressure) hydrocarbon with the chemical formula C₃H₆.

propyleneglycol
Alternative form of propylene glycol.

propyleneglycols
plural of propyleneglycol

propyleneoxide
Alternative form of propylene oxide.

propylenes
plural of propylene

propylidene
The divalent radical CH₃-CH₂-CH=

propylidenes
plural of propylidene

propylparaben
The n-propyl ester of p-hydroxybenzoic acid, used as a preservative.

propyls
plural of propyl

propynyl
A univalent radical derived from propyne

propynyls
plural of propynyl

propyzamide
The herbicide C₁₂H₁₁Cl₂NO.

proquinazid
A particular fungicide.

prosophylline
A particular piperidine alkaloid found in the leaves of mesquite plants (of the genus Prosopis)

prostane
The alicyclic hydrocarbon 1-heptyl-2-octylcyclopentane or any of its derivatives
A herbal remedy made from a mixture of Tribulus terrestris, Areca catechu, Pedalium murex, Caesalpinia bonducella and Asparagus racemosus

prostanes
plural of prostane

prostonium
Misspelling of prostomium.

protactinate
Any oxyanion of protactinium; any salt containing such an anion.

protactinates
plural of protactinate

prothiocarb
A particular fungicide.

protide
The normal hydride ion using protium.

protides
plural of protide

protoalkaloid
A precursor of an alkaloid, typically one that is not heterocyclic

protoalkaloids
plural of protoalkaloid

protoaspidistrin
A particular steroid glycoside.

protobioside
A particular steroid glycoside.

protocatechualdehyde
protocatechuic aldehyde

protocatechualdehydes
plural of protocatechualdehyde

protocatechuate
Any salt or ester of protocatechuic acid

protocatechuates
plural of protocatechuate

protoeruboside
A particular steroid glycoside.

protoglycan
Misspelling of proteoglycan.

protoisoeruboside
A particular steroid glycoside.

protoneodioscin
A particular steroid glycoside.

protoneotokorin
A particular steroid glycoside.

protoneoyonogenin
A particular steroid glycoside.

protopine
A benzylisoquinoline alkaloid occurring in plants of the family Papaveraceae that has partial agonism for mu and delta opioid receptors, these effects are nalaxone reversible.

protopines
plural of protopine

protopolygonatoside
A particular steroid glycoside.

protoreasteroside
A particular steroid glycoside.

protosalt
The form of a salt of a particular base/acid combination that has the lowest proportion of base.
A salt derived from a protoxide.

protosalts
plural of protosalt

protostane
A steroid hydrocarbon tetramethyl-nor-cholestane that is a precursor of many triterpenoids and other steroids

protostanes
plural of protostane

prototokoronin
A particular steroid glycoside.

prototribestin
A steroid glycoside found in Tribulus terrestris.

protoveratrine
A ceveratrum alkaloid.

protoveratrines
plural of protoveratrine

protoverine
A ceveratrum alkaloid.

protoyonogenin
A particular steroid glycoside.

protoyuccoside
A particular steroid glycoside.

provitamin
Any biologically inactive compound that may be converted into a vitamin within an animal organism

provitamins
plural of provitamin

prulaurasin
A glycoside found in cherry laurel leaves.

prunasin
A cyanogenic glucoside related to amygdalin, found in Prunus species.

prunetol
Synonym of genistein.

prunin
A glucoside of naringenin found in dormant buds of citrus plants.

prunitrin
The glycoside of prunetin.

prussiate
A ferricyanide, ferrocyanide or cyanide.

prussiates
plural of prussiate

przewaline
An aporphinebenzylisoquinoline alkaloid first isolated from Thalictrum przewalskii.

pseudaconitine
A highly toxic alkaloid with chemical formula C₃₆H₅₁NO₁₂, found in the roots of Aconitum ferox.

pseudaconitines
plural of pseudaconitine

pseudoalkaloid
Any alkaloid-like compound that does not originate from amino acids.

pseudoalkaloids
plural of pseudoalkaloid

pseudobase
Any compound that is readily converted into an isomeric form that is basic

pseudobases
plural of pseudobase

pseudoboehmite
An aluminium compound with the chemical composition AlO(OH).

pseudocatenane
A complex polycyclic compound that appears to be a catenane.

pseudocatenanes
plural of pseudocatenane

pseudocaudoside
A particular steroid glycoside.

pseudodipeptide
Any compound that has a fragment of general formula -C(NH₂)-CO-NH-C(COOH)- but is not derived from two amino acids

pseudodipeptides
plural of pseudodipeptide

pseudodistomin
Any of a class of piperidine alkaloids isolated from tunicates of genus Pseudodistoma.

pseudodistomins
plural of pseudodistomin

pseudoenantiomer
A diastereomeric compound that behaves similar to an enantiomer during a chiral induction.

pseudoenantiomers
plural of pseudoenantiomer

pseudoexon
A sequence of nucleic acid bases that has the characteristics of an exon but takes no part in the splicing of genes.

pseudoexons
plural of pseudoexon

pseudohalogen
A binary inorganic compound with a structure similar to that of the interhalogens but containing at least one non-halogen radical such as cyanide

pseudohalogens
plural of pseudohalogen

pseudoindican
iridoid

pseudoindicans
plural of pseudoindican

pseudojervine
A jerveratrum alkaloid.

pseudojujubogenin
A sapogenin present in the water hyssop Bacopa monniera

pseudoprotodioscin
A particular steroid glycoside.

pseudosugar
A form of sugar alcohol in which the ring oxygen atom of a hexopyranose is replaced by a methylene group.

pseudosugars
plural of pseudosugar

pseudotaraxasterol
An ursane triterpenoid with the molecular formula C₃₀H₅₀O.

pseudoureas
plural of pseudourea

psilasteroside
A particular steroid glycoside.

psilocin
4-hydroxy-dimethyltryptamine, a hallucinogenic alkaloid found in most psychedelic mushrooms.

psilocybin
A hallucinogenic alkaloid, C₁₂H₁₅N₂O·H₂PO₃, present in several species of Central American mushroom and producing effects similar to LSD. The prodrug of psilocin.

psilocybins
plural of psilocybin

psilocyn
Alternative form of psilocin.

psittacofulvin
A type of yellow pigment found in the feathers of parrots

psittacofulvins
plural of psittacofulvin

psoralenoside
A glycoside present in Psoralea corylifolia

pterin
A ketonic amide derivative of pteridine responsible for some of the colouring in nature. It is also a component of folic acid.

pterins
plural of pterin

pterocarpanquinone
The naphthoquinone (2S,10S)-3,12-dioxapentacyclo[11.8.0.02,10.04,9.015,20]henicosa-1(13),4,6,8,15,17,19-heptaene-14,21-dione that has antileishmanial activity

pterorhodin
A red pigment in the melanophores of tree frogs.

pterorhodine
Alternative form of pterorhodin.

ptesculentoside
A norsesquiterpenoid glucoside present in the bracken Pteridium esculentum

pubescenin
A particular steroid glycoside.

puccine
A supposed alkaloid, later found to be an impure form of sanguinarine.

puerarin
A glucoside of daidzein found in the roots of kudzu

pulcherrimin
A bacterial pigment that is an iron chelate of pulcherriminic acid

pulcherrimins
plural of pulcherrimin

pulegone
A monoterpenoid ketone, found in pennyroyal, that is toxic to dogs and cats

pulicicide
Any insecticide that kills fleas

pulicicides
plural of pulicicide

pulicide
Alternative form of pulicicide.

pulicides
plural of pulicide

pumafentrine
The alkaloid 4-[(4aR,10bS)-9-ethoxy-8-methoxy-2-methyl-3,4,4a,10b-tetrahydro-1H-benzo[c][1,6]naphthyridin-6-yl]-N,N-di(propan-2-yl)benzamide that selectively inhibits phosphodiesterase

pumiloside
A glucosidic alkaloid found in Ophiorrhiza pumila.