119647-73-3
ethyl 1,4,5,6-tetrahydro-7-oxo-7H-indole-2-carboxylate
→
~92%
174504-72-4
3-溴-4,5,6,7-四氢-7-氧代-1H-吲哚-2-羧酸乙酯
119647-72-2
174504-68-8
174504-69-9
2199-43-1
吡咯-2-羧酸乙酯