Refers to a chemical compound with a substituent (functional group) attached to the 4th carbon atom of a molecule.
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[4-(4-methoxyphenyl)piperazin-1-yl](pyridin-3-yl)methanone
α-(3',4'-dimethoxyphenyl)-5-methoxy-2-(methoxymethyl)phenylacetonitril
3,4-Dihydro-1H-2,1,3-benzothiadiazine 2,2-dioxide
methyl 2,4-dioxo-6-phenylhex-5-enoate
2-(2-methyl-3-phenylallylidene)succinic acid 1-methyl ester
1-(4-fluorophenyl)-4-(4,5-dihydro-5-thioxo-1,3,4-oxadiazol-2-yl)pyrrolidin-2-one