leptodermin
An insecticide present in Cucumis africanus

leptomin
A substance found in the leptome of some plants, especially in the sieve tubes and laticiferous vessels, the presumed function being to convey oxygen.

leptophos
An organophosphate formerly used as a pesticide and fungicide.

leptosin
A polycyclic glycoside found exclusively in manuka honey

leptospermone
The sesquiterpenoid ketone 2,2,4,4-tetramethyl-6-(3-methylbutanoyl)cyclohexane-1,3,5-trione

leucinamide
The amide of leucinic acid

leucocidin
Any staphylococcal or streptococcal exotoxin that causes leucocyte killing or lysis.

leucocidins
plural of leucocidin

leucocyanidin
A particular leucoanthocyanidin compound.

leucodelphinidin
A colourless chemical compound related to leucoanthocyanidins and found in various plants.

leucodelphinidins
plural of leucodelphinidin

leucofisetinidin
A particular leucoanthocyanidin compound.

leucomaine
An animal base or alkaloid, appearing in the tissue during life; hence, a vital alkaloid, as distinguished from a ptomaine or cadaveric poison.

leucomaines
plural of leucomaine

leucomalvidin
A particular leucoanthocyanidin compound.

leucopelargonidin
A colourless compound related to leucoanthocyanins, found in various plants including the cashew and areca nut

leucopelargonidins
plural of leucopelargonidin

leucopeonidin
A particular leucoanthocyanidin compound.

leucorobinetinidin
A particular leucoanthocyanidin compound.

leucorobinetinidins
plural of leucorobinetinidin

leucyl
The univalent radical derived from leucine.

leucylaspartate
The dipeptide leucyl aspartate

leucyls
plural of leucyl

leukomaine
Alternative spelling of leucomaine.

leukomaines
plural of leukomaine

levetimide
The alkaloid (3R)-3-phenyl-3-[1-(phenylmethyl)piperidin-4-yl]piperidine-2,6-dione used as a ligand

levofolinate
Any salt or ester of levofolinic acid

levofolinates
plural of levofolinate

levoglucosenone
A bridged, unsaturated heterocyclic ketone, 6,8-dioxabicyclo[3.2.1]oct-2-en-4-one, formed from levoglucosan by further loss of two molecules of water

levonordefrin
A sympathomimetic amine used as a topical nasal decongestant and vasoconstrictor in dentistry.

levulinate
Any salt or ester of levulinic acid.

levulinates
plural of levulinate

licareol
Synonym of linalool.

lichenate
Any salt or ester of lichenic acid

lichenates
plural of lichenate

lichenin
A glucan found in some lichens.

lichenins
plural of lichenin

lichexanthone
A yellow pigment found in some lichens.

lichexanthones
plural of lichexanthone

lichnoxanthin
Alternative form of lichnoxanthine.

lichnoxanthine
A yellow pigment in lichens.

lichnoxanthines
plural of lichnoxanthine

liensinine
The isoquinoline 4-[[(1R)-6,7-dimethoxy-2-methyl-3,4-dihydro-1H-isoquinolin-1-yl]methyl]-2-[[(1R)-1-[(4-hydroxyphenyl)methyl]-6-methoxy-2-methyl-3,4-dihydro-1H-isoquinolin-7-yl]oxy]phenol

lignane
The hydrocarbon formed by joining two propylbenzene residues at the β-carbon atom of the propyl side chain; this structure is the basis of all lignans

lignanes
plural of lignane

lignocerate
Any salt or ester of lignoceric acid

lignocerates
plural of lignocerate

ligstroside
Misspelling of ligustroside.

ligustral
An aldehyde 2,4-dimethyl-3-cyclohexenecarboxaldehyde present in privet

ligustroside
A glycoside present in olives and other fruits

lilacin
syringin

lililancifoloside
A particular steroid glycoside.

limnantheoside
A particular steroid glycoside.

limonene
A monoterpene hydrocarbon 1-methyl-4-prop-1-en-2-yl-cyclohexene found in the essential oils of oranges, lemons and similar fruit, and mainly responsible for their fragrance

limonenes
plural of limonene

limonin
A limonoid found in orange and lemon seeds.

limonins
plural of limonin

linalol
Dated form of linalool.

linalols
plural of linalol

linalool
A monoterpene alcohol found in many essential oils.

linalools
plural of linalool

linalyl
The univalent radical derived from linalool

linamarin
A cyanogenic glucoside found in the leaves and roots of plants such as cassava, lima beans, and flax, capable of decomposing to toxic hydrogen cyanide in the human intestine.

linarin
A flavonoid glycoside, 5-hydroxy-2-(4-methoxyphenyl)-7-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-[[(2R,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxymethyl]oxan-2-yl]oxychromen-4-one found in toadflax.

linckoside
A particular steroid glycoside.

lindane
The organochlorine insecticide 1,2,3,4,5,6-hexachlorocyclohexane

lindanes
plural of lindane

linderone
A biologically-active compound present in the medicinal plant Lindera lucida

lindleyin
A glycoside found in plants of the Rheum genus.

linoleamide
The amide of linoleic acid

linoleate
Any salt or ester of linoleic acid.

linoleates
plural of linoleate

linolenate
Any salt or ester of linolenic acid

linolenates
plural of linolenate

linolenoyl
The univalent radical derived from linolenic acid by loss of the hydroxy group

linoleoyl
The univalent radical derived from linoleic acid by loss of the hydroxy group

linoleoyls
plural of linoleoyl

linuron
The herbicide N'-(3,4-dichlorophenyl)-N-methoxy-N-methyl-urea

lipoamide
The compound 6,8-dithiooctanoic amide.

lipoamides
plural of lipoamide

lipocholesterol
plant cholesterol (or related lipoprotein) used as a placebo

lipochrin
A yellow pigment found in the small round fat drops in the retinal epithelium cells.

lipocyanin
A blue pigment in certain plants.

lipocyanine
Alternative form of lipocyanin.

lipoglycan
lipopolysaccharide

lipoglycans
plural of lipoglycan

lipopigment
A fluorescent pigment derived from a lipid

lipopigments
plural of lipopigment

lipoteichoid
A complex of lipoteichoic acid

lipoteichoids
plural of lipoteichoid

lipoyl
A univalent radical formally derived from lipoic acid by removal of the hydroxyl group

liqcoumarin
A hydroxycoumarin with the molecular formula C₁₂H₁₀O₄.

liquiritigenin
A flavanone found in a variety of plants including liquorice.

liquiritin
The 4'-O-glucoside of the flavanone liquiritigenin.

liriodendrin
An antiarrhythmic lignan isolated from pittosporum

liriodenine
An oxoaporphine alkaloid present in Zanthoxylum nitidum

lirioprolioside
A particular steroid glycoside.

lisadimate
A sunscreen compound.

litharge
lead monoxide (PbO) a toxic solid formed from oxidation of lead in air, and used as a pigment.

litharges
plural of litharge

lithate
Any salt of lithic acid (uric acid); an urate.

lithates
plural of lithate

lithia
Lithium oxide, Li₂O, used in the manufacture of ceramics and glass.

lithias
plural of lithia

lithiosilane
The compound LiSiH₃
Any organic derivative of this compound

lithocholate
Any salt or ester of lithocholic acid

lithocholates
plural of lithocholate

lithofracteur
An explosive compound of nitroglycerin.

lithofractor
Alternative form of lithofracteur (“explosive compound”).

lithophone
Any musical instrument in which sound is produced by percussion of a stone.
A device by which the presence of bladder stones can be audibly detected.

lithopone
A white pigment, a mixture of barium sulfate and zinc sulfide, used in paints and enamels.

lithopones
plural of lithopone

lithospermate
Any salt or ester of lithospermic acid.

lithospermates
plural of lithospermate

lithospermoside
The glycoside nitrile (2Z)-2-[(4R,5S,6S)-4,5-dihydroxy-6-[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxycyclohex-2-en-1-ylidene]acetonitrile present in the roots of Lithospermum

litorin
A nonapeptide with composition L-pyroglutamyl-L-glutaminyl-L-tryptophyl-L-alanyl-L-valyl-glycyl-L-histidyl-L-phenylalanyl-L-methioninamide.

litreol
An allergenic compound similar to urushiol found on the litre tree.

littorine
A tropane alkaloid found in a variety of plants including Datura and Atropa belladonna.

lobelin
A yellowish-green resin from the lobelia, used as an emetic and diaphoretic.