57-13-6
尿素
+
121-88-0
2-氨基-5-硝基苯酚
→
~2%
88522-68-3
(2-hydroxy-4-nitrophenyl)urea
58758-35-3
ethyl 7-nitro-2H-1,2,4-benzoxadiazine-3-carboxylate