2-氨基-4-异丙基噻吩-3-羧酸乙酯

ethyl 2-cyano-3-methylpentanoate

2-氰基-4-甲基戊酸乙酯

2-cyano-2-isobutyl-4-methyl-valeric acid ethyl ester

2-氰基-N-(5-苯基-1,3,4-恶二唑-2-基)乙酰胺