2-Chloro-N-[3-(4-nitro-phenyl)-1-oxa-2,4-diaza-spiro[4.4]non-2-en-4-yl]-acetamide

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

氯乙酸酐

4-硝基苯酰肼

N''-(氯乙酰基)-4-硝基苯甲酰肼