71493-76-0
2-氨基-3-氰基-4-甲基吡啶
→
~94%
180994-87-0
2-氨基-3-氰基-4-甲基-5-溴吡啶
410547-37-4
2-(4,4-dimethoxybutan-2-ylidene)propanedinitrile