88498-74-2
methyl 1,3-dihydroazuleno[1,2-c]thiophene-9-carboxylate
→
~65%
88498-78-6
methyl azuleno[1,2-c]thiophene-9-carboxylate
50603-71-9
3-(甲氧羰基)-2H-环庚[b]呋喃-2-酮