5264-35-7
2-甲氧基-1-吡咯烷
+
105-50-0
1,3-丙酮二羧酸二乙酯
→
~60%
72130-68-8
7-羟基-5-氧代-1,2,3,5-四氢氮茚-8-甲酸乙酯
35150-22-2
ethyl (2Z)-2-pyrrolidin-2-ylideneacetate
1663-67-8
丙二酰氯
116993-42-1
1,2,3,5-四氢-7-羟基-6-甲基-5-氧代-8-吲嗪甲酸乙酯
58156-35-7
1H-Indolizin-5-one, 2,3-dihydro-7-hydroxy