1346148-42-2
5-difluoromethyl-pyridine-2-carboxylic acid methyl ester
→
~63%
859538-41-3
5-(二氟甲基)-2-吡啶羧酸
131747-68-7
5-甲酰基吡啶-2-甲腈
149806-06-4
2-溴-5-醛基吡啶
1221272-81-6
2-溴-5-(二氟甲基)吡啶