2199-64-6
4-甲酰基-3,5-二甲基-1H-吡咯-2-羧酸乙酯
+
141-82-2
丙二酸
→
52649-02-2
(E)-3-(5-ethoxycarbonyl-2,4-dimethyl-1H-pyrrol-3-yl)prop-2-enoic acid