pregnanediols
plural of pregnanediol

pregnanes
plural of pregnane

pregnanetriol
A particular steroid.

pregnanetriols
plural of pregnanetriol

pregnanone
Any ketone derived from pregnane

pregnanones
plural of pregnanone

pregnedioside
A particular steroid glycoside.

pregnenolone
A steroid prohormone involved in the steroidogenesis of progesterone, mineralocorticoids, glucocorticoids, androgens, and estrogens.

pregnenolones
plural of pregnenolone

prelumirhodopsin
bathorhodopsin

prenol
Any alcohol composed of multiple isoprene units; they are the biogenetic precursors of the isoprenoids

prenols
plural of prenol

prenylcitpressine
A particular acridone alkaloid.

prenylflavanone
Any prenylated flavanone.

prenylflavanones
plural of prenylflavanone

prenylflavone
Any prenylated flavone.

prenylflavones
plural of prenylflavone

prephenate
Any salt or ester of prephenic acid.

prephenates
plural of prephenate

preskimmiane
A particular acridone alkaloid.

presynapsis
The aggregation of nucleic acid prior to synapsis

pretazettine
A polycyclic alkaloid, (3S,4aS,6aR,13bS)-3-methoxy-5-methyl-3,4,4a,5,6,6a-hexahydro-8H-[1,3]dioxolo[6,7]isochromeno[3,4-c]indol-8-ol, present in lilies of the family Amaryllidaceae

pretilachlor
A particular herbicide.

previtamin
Synonym of provitamin.

previtamins
plural of previtamin

prillion
Tin extracted from the slag.

primeverin
A glycoside of 5-methoxysalicylic methyl ester, found in the roots of the plant Primula veris.

primeveroside
A glycoside of primeverose

primeverosides
plural of primeveroside

primulaverin
A glycoside of 5-methoxysalicylic methyl ester, found in the roots of the plant Primula veris.

prismane
a polycyclic hydrocarbon, C₆H₆, having the shape of a regular triangular prism; any derivative of this compound

prismanes
plural of prismane

proacaricide
Any substance that becomes an acaricide after being metabolised

proacaricides
plural of proacaricide

proanthocyanin
Any glycoside of a proanthocyanidin

proanthocyanins
plural of proanthocyanin

probilifuscin
Any of a class of structurally indefinite bilirubinoid compounds found in gallstones, often associated with pathologic conditions like jaundice or liver disease.

prochloraz
A broad-spectrum imidazole fungicide widely used in gardening and agriculture.

prochymase
Any compound that develops into a chymase

prochymases
plural of prochymase

procistocardin
A particular steroid glycoside.

proclonol
A particular pesticide.

prococene
Either of a group of chromenes produced by some plants as a natural insecticide

prococenes
plural of prococene

procyanidin
proanthocyanidin

procyanidins
plural of procyanidin

prodigiosin
A red pigment produced by certain bacteria.

profenofos
An organophosphate insecticide.

profisetinidin
A tannin composed of fisetinidin units.

profluralin
A dinitroaniline herbicide with IUPAC name (N-(cyclopropylmethyl)-2,6-dinitro-N-propyl-4-(trifluoromethyl)aniline.

progeoglycan
Misspelling of proteoglycan.

progestin
A synthetic progestagen intended to mimic the effects of progesterone, often for contraceptive purposes.

progestins
plural of progestin

progoitrin
A glycoside of 1,5-vinyl-2-thiooxazolidone present in the foliage of brassicas.

proherbicide
A natural product that may be used commercially as a herbicide

proherbicides
plural of proherbicide

proligand
Any compound that is transformed into a ligand

proligands
plural of proligand

prolinate
Any salt or ester of proline

prolinates
plural of prolinate

proline
A nonessential amino acid C₅H₉NO₂ found in most animal proteins, especially collagen; its cyclic structure leads to kinks in the peptide chain of proteins.

prolines
plural of proline

prolinol
The alcohol obtained by reduction of proline.

prolyl
The univalent radical derived from proline.

prolyls
plural of prolyl

promethate
Any oxyanion of promethium; any salt containing such an anion.

promethates
plural of promethate

prometon
A herbicide, N,N'-diisopropyl-6-methoxy-1,3,5-triazine-2,4-diamine.

prometryn
A particular triazine herbicide.

propachlor
2-chloro-N-isopropylacetanilide, a herbicide that acts on annual grasses and some broadleaf plants.

propamocarb
A systemic fungicide used against oomycetes.

propanamide
The acid amide of propanoic acid, CH₃CH₂CONH₂

propane
An aliphatic hydrocarbon, C₃H₈, a constituent of natural gas.
LPG.

propanedinitrile
Malononitrile.

propanedioate
malonate

propanedioates
plural of propanedioate

propanes
plural of propane

propanil
The herbicide 3′,4′-dichloropropionanilide

propanoate
Any salt or ester of propanoic acid; propionate.

propanoates
plural of propanoate

propanone
The systematic name of the simplest ketone with formula C₃H₆O, usually called acetone.

propaquizafop
The xenobiotic quinoxaline herbicide 2-(propan-2-ylideneamino)oxyethyl (2R)-2-[4-(6-chloroquinoxalin-2-yl)oxyphenoxy]propanoate

propargite
A particular acaricide.

propargyl
The univalent radical HC≡C-CH₂- derived from propyne

propargylamide
Any amide attached to a propargylic carbon atom.

propargylamides
plural of propargylamide

propargylamine
The acetylenic primary amine HC≡C-CH₂-NH₂

propargylate
Any salt or ester of propargylic acid

propargylates
plural of propargylate

propargylchloride
Alternative form of propargyl chloride.

propargyls
plural of propargyl

propazine
A particular triazine herbicide.

propellane
Any tricyclic saturated hydrocarbon having two bridgehead carbon atoms joined by three bridges and a direct link.

propellanes
plural of propellane

propenal
The compound acrolein.

propenals
plural of propenal

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

propenenitrile
acrylonitrile

propenes
plural of propene

propenoate
Any salt or ester of propenoic acid.

propenoates
plural of propenoate

propenol
Synonym of allyl alcohol.

propenone
Any unsaturated ketone of general formula R-CO-CH=CH-R^'

propenones
plural of propenone

propenoyl
A univalent radical derived from propenoic acid

propentdyopent
Any of a class of compounds formed as metabolites of heme that become bile pigments

propentdyopents
plural of propentdyopent

propenylamine
Synonym of allylamine.

propetandrol
An anabolic steroid.

propham
The herbicide isopropyl phenylcarbamate

prophyrin
Misspelling of porphyrin.

propidine
The divalent radical CH₃-CH₂-CH< analogous to ethylidene; propylidene
The pesticide butan-2-yl 2-(2-hydroxyethyl)piperidine-1-carboxylate

propidium
A divalent organic cation having the chemical formula C₂₇H₃₄N₄²⁺

propineb
A particular fungicide.

propiolactone
Either of two isomeric chemical compounds of the lactone family, α-propiolactone and β-propiolactone.

propiolactones
plural of propiolactone

propiolate
Any salt or ester of propiolic acid.

propiolates
plural of propiolate

propionaldehyde
The aliphatic aldehyde CH₃-CH₂-CHO; it is used in the manufacture of plastics etc.

propionaldehydes
plural of propionaldehyde

propionaldoxime
Synonym of propanal oxime.

propionamide
The amide of propionic acid.

propionamides
plural of propionamide

propionate
Any salt or ester of propionic acid.

propionates
plural of propionate

propione
The ketone of propionic acid.

propionyl
The univalent radical derived from propionic acid by loss of the hydroxy group.

propionyls
plural of propionyl

propiophenone
The ketone C₆H₅-CO-CH₂-CH₃; ethyl phenyl ketone

propiophenones
plural of propiophenone

propridium
Misspelling of propidium.

propriolactone
Misspelling of propiolactone.

proprionate
Misspelling of propionate.

proprionates
plural of proprionate

propyl
Either of two isomeric univalent hydrocarbon radicals, C₃H₇, formally derived from propane by the loss of a hydrogen atom.

propylamine
Either of two amines derived from propane, but especially the primary amine CH₃CH₂CH₂NH₂

propylamines
plural of propylamine