5400-68-0
(3Z)-3-hydroxyiminooxolan-2-one
→
4374-64-5
oxolane-2,3-dione
86387-69-1
ethyl 4,5-dioxooxolane-3-carboxylate
4701-17-1
5-溴噻吩-2-甲醛
13679-70-4
5-甲基-2-噻吩甲醛
33693-66-2
α-Azido-γ-butyrolacton