110683-75-5
ethyl 8-nitro-4-oxochromene-2-carboxylate
→
110683-23-3
8-氨基-4-酮-2-(四氮唑-5-基)-4H-1-苯并吡喃盐酸盐
161369-34-2
141283-41-2
8-nitro-4-oxochromene-2-carbonitrile
141283-42-3
8-硝基-2-(1H-四氮唑-5-基)-4H-1-苯并吡喃-4-酮