99-81-0
2-溴-4'-硝基苯乙酮
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81622-74-4
4-Quinoxalin-2-yl-phenylamine
2719-21-3
4-乙酰胺苯乙酮
67014-06-6
N-(4-(2-氧代乙酰基)苯基)乙酰胺
17286-66-7
5541-64-0
2-(4-nitrophenyl)quinoxaline
95-54-5
1,2-苯二胺