2-amino-3-cyano-4-methyl-5-(2,5-dimethoxybenzyl)pyridine

2-氨基-3-氰基-4-甲基吡啶

2-(4,4-dimethoxybutan-2-ylidene)propanedinitrile

2-氨基-3-氰基-4-甲基-5-溴吡啶

2-bromo-3-cyano-4-methyl-5-(2,5-dimethoxybenzyl)pyridine