2-chloro-N-(3-(3-nitrophenyl)-1-oxa-2,4-diazaspiro[4.4]non-2-en-4-yl)acetamide

氯化间硝基苯并氢肟基

3-(3-nitrophenyl)-1-oxa-2,4-diazaspiro[4.4]non-2-en-4-amine

氯乙酸酐

2-chloro-N-(5,5-dimethyl-3-(3-nitrophenyl)-1,2,4-oxadiazol-4(5H)-yl)acetamide