diethyl 2,6-dimethyl-4-(1H-pyrrol-2-yl)-1,4-dihydropyridine-3,5-dicarboxylate

乙酰氯

丁酰氯

(S)-3-(4-hydroxyphenyl)-2-pyrrol-1-yl-propionic acid methyl ester

N-tert-butyl-(E)-crotonaldimine