6277-13-0
3-ethoxycarbonyl-4-methyl-1H-pyrrole-2-carboxylic acid
→
64276-66-0
4-甲基-1H-吡咯-3-羧酸
+
18711-59-6
4-甲基-2-吡咯甲酸
4458-69-9
diethyl 5-bromo-3-methyl-1H-pyrrole-2,4-dicarboxylate
100129-92-8
diethyl 5-chloro-3-methyl-1H-pyrrole-2,4-dicarboxylate
90561-96-9
90346-74-0
90610-58-5
4-(乙氧基羰基)-3-甲基-1H-吡咯-2-羧酸
2199-49-7
4-甲基吡咯-3-甲酸乙酯