t-butyl 4-(2'-chloroethyl)-3,5-dimethylpyrrole-2-carboxylate

(5S)-6-acetyl-5-methylcyclohex-2-en-1-one

6-methyl-3-methylene-hept-5-en-2-one

benzyl 3-(2-methoxycarbonylethyl)-4-methoxycarbonylmethyl-5-methylpyrrole-2-carboxylate

1-(3-chlorophenyl)-4,6-dimethyl-2-(methylthio)pyrimidin-1-ium methyl sulfate