187163-71-9
→
~70%
187163-72-0
tert-butyl N-[4-(aminomethyl)-2,5-dimethylphenyl]carbamate
183428-90-2
6-氨基-2-甲基烟酰腈
42753-71-9
2-氨基-5-溴-6-甲基吡啶