英文别名N,N'-BIS(4-NITROPHENYL)UREA; N,N'-Bis(p-nitrophenyl)urea; N,N'-Di(4-nitrophenyl)urea; Nicarbazin Related Compound; Urea,N,N'-bis(4-nitrophenyl)-; bis-N,N'-(4-nitrophenyl)urea; N,N'-Di(p-nitrophenyl)urea; 4,4'-dinitrocarbanilide; 4,4'-Dinitrodiphenylurea; 4',4''-Dinitrocarbanilide; N,N'-bis-p-nitrophenylurea; Urea,N,N'-bis(4-nitrophenyl) 
