methylenecyclopropane
An organic compound with the formula (CH₂)₂CCH₂, used as a reagent in organic synthesis.

methylenedioxy
A functional group with the structural formula R-O-CH₂-O-R', connected to the rest of a molecule by two chemical bonds.

methylenedioxyamphetamine
An organic chemical with the empirical chemical formula C₁₁H₁₅NO₂
An organic chemical with the empirical chemical formula C₁₁H₁₅NO₂

methylenedioxyphenethylamine
A methylenedioxy derivative of phenethylamine, many of whose derivatives are psychoactive

methylenedioxyphenethylamines
plural of methylenedioxyphenethylamine

methylenedioxyphenol
A functional group formed by a methylenedioxy group attached to a phenyl.

methylenediphosphonate
Alternative form of methylene diphosphonate.

methylenediphosphonates
plural of methylenediphosphonate

methylenes
plural of methylene

methylenetetrahydrofolate
The substrate used by the enzyme methylenetetrahydrofolate reductase to generate 5-methyltetrahydrofolate (levomefolic acid).

methylenetetrahydrofolatereductase
Alternative form of methylenetetrahydrofolate reductase.

methylenetetrahydrofolates
plural of methylenetetrahydrofolate

methylergonovine
methylergometrine

methylerythritol
A methyl derivative of erythritol, especially 2-C-methyl-D-erythritol, whose phosphate is involved in the biosynthesis of isoprenoids

methylesterification
Esterification by means of a methanolic acid.

methylestradiol
A semisynthetic steroidal estrogen used with normethandrone (methylestrenolone) for the treatment of menopausal symptoms.

methylfluorenyl
Any methyl derivative of a fluorenyl radical

methylglucamine
meglumine

methylglucamines
plural of methylglucamine

methylguanine
A methyl derivative of guanine.

methylguanosine
A methyl derivative of guanosine that is added to the "front" end of a eukaryotic messenger RNA shortly after the start of transcription.

methylguanosines
plural of methylguanosine

methylhistamine
Any N- or C- methyl derivative of histamine

methylhistamines
plural of methylhistamine

methylhydrazine
A hydrazine with an additional methyl group.

methylhydrazines
plural of methylhydrazine

methylidene
The CH₂= group in which the free valences are part of a double bond.

methylidenes
plural of methylidene

methylidenyl
Any substituted derivative of a methylidene radical

methylidyne
carbyne

methylidynes
plural of methylidyne

methylimidazolium
Any methyl derivative of the imidazolium cation.

methylimidazoliums
plural of methylimidazolium

methylindole
Any of a group of related compounds, including skatole.

methylindoles
plural of methylindole

methylindolizidine
Any methyl derivative of indolizidine

methylindolizidines
plural of methylindolizidine

methylisoborneol
Any methylated derivative of isoborneol, but especially (1R,3R,4R)-3,4,7,7-tetramethylbicyclo[2.2.1]heptan-3-ol

methylisoborneols
plural of methylisoborneol

methylisocyanide
An organic compound of the isocyanide family, mainly used for making five-membered heterocyclic rings.

methylisothiazolinone
A powerful biocide and preservative within the group of isothiazolinones, used in shampoos etc.

methylisothiazolone
Any of various chemical compounds used as highly effective biocidal agents against fungal and bacterial species.

methylisothiazolones
plural of methylisothiazolone

methylkaempferol
Any methyl derivative of kaempferol

methylkaempferols
plural of methylkaempferol

methylketol
2-methylindole, a mildly toxic and slightly flammable organic compound which occurs as a white solid and turns brown over time.

methylketols
plural of methylketol

methyllysine
Any of three methylation products of the amino acid lysine that play a role in epigenetics.

methyllysines
plural of methyllysine

methylmagnesium
The univalent organometallic radical CH₃Mg- that is a part of several Grignard reagents

methylmaleimide
Any methyl derivative of maleimide

methylmaleimides
plural of methylmaleimide

methylmannose
Any O-methyl derivative of mannose but especially (2S,3S,4R,5R)-2,4,5,6-tetrahydroxy-3-methoxyhexanal (an isomer of methylglucose)

methylmethaqualone
A synthetic analogue of methaqualone with similar sedative and hypnotic properties.

methylmorphine
A methylated form of morphine.

methylmorphines
plural of methylmorphine

methylone
The entactogen and central nervous system stimulant 3,4-methylenedioxy-N-methylcathinone.

methylosome
A cluster of proteins responsible for methylation

methylosomes
plural of methylosome

methylotroph
Any organism that uses simple methyl compounds (such as methane or methanol) as a source of carbon and of energy

methylotrophs
plural of methylotroph

methylpentane
Any methyl derivative of a pentane, but especially 2-methylpentane

methylpentene
Any methyl derivative of a pentene, but especially 4-methyl-1-pentene

methylpentose
The methyl ether of a pentose (O-methylpentose)
Synonym of deoxyhexose (C-methylpentose)

methylpentoses
plural of methylpentose

methylphenethylamine
Any of several isomeric C- or N- methyl derivatives of phenethylamine

methylphenethylamines
plural of methylphenethylamine

methylphenyl
Any methyl derivative of a phenyl radical

methylphenyls
plural of methylphenyl

methylpolysiloxane
polydimethylsiloxane

methylprogesterone
Any of several methyl derivatives of progesterone, but especially 6-methylprogesterone that is an androgenic progestin

methylpropane
isobutane

methylpropanes
plural of methylpropane

methylpropanol
isobutanol (2-methylpropan-1-ol)
t-butanol (2-methylpropan-2-ol)

methylpropene
isobutylene.

methylpunicine
Synonym of methylpelletierine.

methylpurine
Any of several isomeric methyl derivatives of purine, but especially 6-methylpurine which is an anticancer agent

methylpurines
plural of methylpurine

methylpyrazine
Any methyl derivative of pyrazine

methylpyrazines
plural of methylpyrazine

methylpyridazine
Any methyl derivative of pyridazine

methylpyridazines
plural of methylpyridazine

methylpyridine
Any of three isomeric methyl derivatives of pyridine

methylpyridines
plural of methylpyridine

methylpyridinium
Any methyl derivative of a pyridinium ion

methylpyridiniums
plural of methylpyridinium

methylscopolamine
A methylated derivative of scopolamine, used (usually as the bromide salt) as an oral medication to treat peptic ulcers, stomach or intestinal spasms, excessive salivation, and motion sickness.

methylserotonin
Any of several methyl derivatives of serotonin that are agonists

methylserotonins
plural of methylserotonin

methylsilane
Any organic silane that has a methyl group directly bonded to a silicon atom, but especially the simplest silane CH₃-SiH₃

methylsilanes
plural of methylsilane

methylsilsesquioxane
Any methyl derivative of silsesquioxane.

methylsulfate
dimethyl sulfate
Any methyl sulfate

methylsulfates
plural of methylsulfate

methylsulfenamide
Any methyl derivative of sulfenamide

methylsulfenamides
plural of methylsulfenamide

methylsulfonyl
The radical CH₃SO₂- derived from methanesulfonic acid

methylsulfonyls
plural of methylsulfonyl

methylthio
The radical CH₃S- analogous to the methoxy group

methylthios
plural of methylthio

methylthiourea
Any methyl derivative of thiourea.

methylthioureas
plural of methylthiourea

methyltoxoflavin
Any methyl derivative of toxoflavin, especially 1,3,6-trimethylpyrimido[5,4-e][1,2,4]triazine-5,7-dione

methyltriethoxysilane
The organic silane CH₃Si(OCH₂CH₃)₃

methylumbelliferone
Any of several methyl derivatives of umbelliferone, but especially 4-methylumbelliferone that is used as the drug hymecromone.

methylumbelliferones
plural of methylumbelliferone

methylurethane
methyl carbamate

methyluridine
A methyl derivative of uridine.

methyluridines
plural of methyluridine

methylvinyldichlorosilane
The halogenated organosilane CH₂=CHSi(CH₃)Cl₂

methylxanthine
Any of a group of compounds, such as caffeine, formed through the methylation of xanthines.

methylxanthines
plural of methylxanthine