hippocoprosterol
A substance obtained from horse feces, thought to have been formed by reduction of cholesterol in the intestine.

hippomelanin
A black pigment found in tumours of horses.

hippurate
Any salt or ester of hippuric acid

hippurates
plural of hippurate

hippuristanol
A polyoxygenated steroid present in the coral Isis hippuris

hippuristanolide
The spirocyclic compound [(1R,2S,3S,6S,8R,11S,12S,13S,15R,17R,20S,21R)-2',2',3',11,17-pentamethylspiro[14,16,19-trioxaheptacyclo[11.8.1.1^(2,20).0^(1,15).0^(3,12).0^(6,11).0^(17,21)]tricosane-18,5'-oxolane]-8-yl] acetate

hirsutene
A tricyclic hydrocarbon with IUPAC name (3aR,3bR,6aS,7aR)-3a,5,5-trimethyl-3-methylidene-1,2,3b,4,6,6a,7,7a-octahydrocyclopenta[a]pentalene

hirundoside
A particular steroid glycoside.

hispidin
The phenolic compound 2-[(E)-2-(3,4-dihydroxyphenyl)ethenyl]-6-hydroxypyran-4-one present as a glycoside in some fungi

hispinin
A particular steroid glycoside.

histidinate
The anion formed from histidine; any salt containing this anion

histidinates
plural of histidinate

histidinium
The cation formed by protonation of histidine

histidinol
The amino alcohol 2-amino-3-(1H-imidazol-5-yl)propan-1-ol that is an intermediate in the biosynthesis of histidine

histidinyl
A univalent radical derived from histidinol or histidine

histidyl
The univalent radical derived from histidine.

histidyls
plural of histidyl

histolene
The monoterpene hydrocarbon "p-mentha-1,8-diene" used as a cytological clearing agent

historesin
A histological resin

historesins
plural of historesin

hodulcine
A glycoside isolated from the leaves of Hovenia dulcis Thunb., the Japanese raisin tree. It is an antisweet compound.

holacurtine
A particular steroid glycoside, found in the leaves of Holarrhena curtisii.

holantosine
A particular steroid glycoside.

holarosine
A particular steroid glycoside.

holmate
Any oxyanion of holmium; any salt containing such an ion

holmates
plural of holmate

holocalin
A cyanogenic glucoside found in the seeds of Holocalyx balansae.

holocurtinol
A particular steroid glycoside.

homoaconitate
Any salt or ester of homoaconitic acid

homoaconitates
plural of homoaconitate

homoallyl
the univalent radical CH₂=CH–CH₂–CH₂–

homoallylamine
The primary amine CH₂=CH-CH₂-CH₂-NH₂ or any of its N-substituted derivatives

homoallylamines
plural of homoallylamine

homoallyls
plural of homoallyl

homoanhydride
An acid anhydride formed from two molecules of the same carboxylic acid

homoanhydrides
plural of homoanhydride

homobaldrinal
The aldehydic ester (7-formylcyclopenta[c]pyran-4-yl)methyl 3-methylbutanoate

homocitrate
Any salt or ester of homocitric acid

homocitrates
plural of homocitrate

homocycle
Any inorganic compound based on a ring of three or more atoms of the same element
Any organic derivative of such a compound

homocycles
plural of homocycle

homocysteine
An amino acid which is monitored in the blood to estimate risk of cardiovascular disease.

homocysteines
plural of homocysteine

homogalacturonan
A polysaccharide (such as pectin) made up of linked galacturonic acid residues

homogalacturonans
plural of homogalacturonan

homogentisate
A salt or ester of homogentisic acid.

homogentisates
plural of homogentisate

homoglucan
A homopolysaccharide composed of glucose moieties

homoglucans
plural of homoglucan

homoglycan
A homopolysaccharide.

homoglycans
plural of homoglycan

homoharringtonine
The cytotoxic alkaloid omacetaxine mepesuccinate that is used as a therapy for some leukaemias

homoorientin
isoorientin

homophenylalanyl
The univalent radical derived from homophenylalanine

homopiperazinium
A cation formed by protonation of homopiperazine

homoplantaginin
A hispidulin glucoside that ameliorates endothelial insulin resistance

homopolysaccharide
a polysaccharide formed from only one kind of monosaccharide

homopolysaccharides
plural of homopolysaccharide

homopropargyl
The univalent radical HC≡C-CH₂-CH₂- derived from butyne

homoprotocatechuate
3,4-dihydroxyphenylacetate

homoprotocatechuates
plural of homoprotocatechuate

homospermidine
The amine N-(4-aminobutyl)-1,4-butanediamine

homospermine
An analogue of spermine having an extra methylene group between the middle two nitrogen atoms; and derivative of this compound

homospermines
plural of homospermine

homosteroid
A derivative of a steroid in which at least one carbon atom has been inserted to expand one of the four steroid rings.

homosteroids
plural of homosteroid

homoterpene
Any compound formally derived from a terpene by the addition of a methylene group

homoterpenes
plural of homoterpene

homovanillate
Any salt or ester of homovanillic acid

homovanillates
plural of homovanillate

homovanillyl
A univalent radical formally derived from vanillyl by the addition of a methylene group

homovitexin
isovitexin

honghelin
A particular cardiac glycoside.

hongheloside
A particular cardenolide glycoside.

honghelosides
plural of hongheloside

honghelotrioside
A particular steroid glycoside.

hongkelin
Alternative form of honghelin.

hopane
A hopanoid hydrocarbon

hopanes
plural of hopane

hopanoid
Any of a class of pentacyclic compounds, somewhat similar to steroids, that have various functions in prokaryotes

hopanoids
plural of hopanoid

hopein
A prenylflavonoid phytoestrogen, 8-prenylnaringenin, found in hop plants

hopkinsiaxanthin
A particular carotenoid.

hordenine
N,N-dimethyltyramine, a phenethylamine alkaloid found in a variety of plants, including barley.

horsfiline
An oxindole alkaloid found in the plant Horsfieldia superba.

hoyacarnoside
A particular steroid glycoside.

huangjiu
A class of Chinese alcoholic beverages made from fermented grains including rice, millet, and wheat, typically 10–20% alcohol by volume.

humate
A salt of humic acid.

humates
plural of humate

humistratin
A particular steroid glycoside.

humulone
A bitter-tasting chemical compound found in the resin of mature hops (Humulus lupulus).

humulones
plural of humulone

hyaluronan
The polysaccharide hyaluronic acid.

hyaluronans
plural of hyaluronan

hyaluronate
Any salt or ester of hyaluronic acid.

hyaluronates
plural of hyaluronate

hyamine
The quaternary ammonium compound benzethonium chloride

hyclate
A mixed hemihydrate and hemiethanolate of a hydrochloride

hydantocidin
A phytotoxin present in Streptomyces

hydracid
An acid that does not contain any oxygen; they are all binary compounds of hydrogen plus either a halogen (for example, hydrochloric acid, hydrofluoric acid, hydroiodic acid, hydrobromic acid) or a pseudohalogen.

hydracids
plural of hydracid

hydracrylate
Any salt or ester of hydracrylic acid

hydracrylates
plural of hydracrylate

hydramine
any organic compound having both a hydroxy and an amino functional group; a hydroxy-amine

hydramines
plural of hydramine

hydrargaphen
A particular fungicide.

hydrastin
Alternative form of hydrastine.

hydrastine
A natural alkaloid present in goldenseal.

hydrastinine
A semisynthetic alkaloid resulting from the hydrolysis of hydrastine.

hydrastinines
plural of hydrastinine

hydrazide
any compound derived from an oxoacid by replacing the hydroxide group with -NHNH₂ or derived forms -NRNR₂

hydrazides
plural of hydrazide

hydrazinium
The univalent cation N₂H₅⁺ formed by protonation of hydrazine

hydraziniums
plural of hydrazinium

hydrazino
The univalent radical formed from hydrazine by loss of a hydrogen atom

hydrazo
The divalent radical and functional group -NHNH- derived from hydrazine, and N-substituted derivatives.

hydrazonoyl
Any univalent radical, of general formula R₂N-N=C(R)-O-, derived from a hydrazonoic acid

hydrazonyl
Any univalent radical derived from a hydrazone

hydrazos
plural of hydrazo

hydrobilirubin
A body formed from bilirubin, identical with urobilin.

hydrobromofluorocarbon
Any halocarbon which contains hydrogen, bromine and fluorine; they are used as refrigerants, and have ODP (“ozone depleting potential”).