7149-59-9
3-氧代己二酸二乙酯
+
110-46-3
亚硝戊酯
→
31695-39-3
4-O-tert-butyl 2-O-ethyl 3-(3-ethoxy-3-oxopropyl)-5-methyl-1H-pyrrole-2,4-dicarboxylate
40515-75-1
3-(2-乙氧基羰基-乙基)-5-甲基-1H-吡咯-2-羧酸乙酯
40515-74-0
5-ethoxycarbonyl-4-(3-ethoxy-3-oxopropyl)-2-methyl-1H-pyrrole-3-carboxylic acid