2-chlorocyclohept-2-en-1-one

2-fluorocyclohept-2-en-1-one

4,5,6,7-六氢-苯并[d]异噁唑-3-羧酸乙酯

diethyl 1,2,5-oxadiazole-3,4-dicarboxylate 2-oxide

2,6-bis[(4-nitrophenyl)methylidene]cyclohexan-1-one