硝苯啶杂质C

Dimethyl-2,4-diacetyl-3-(2-nitrophenyl)pentandioat

1,4-二氢-4-氧代-3-喹啉羧酸乙酯

2-(4-氟苯氧基)苯甲醛

N,N'-双(2-氨基苯亚甲基)乙二胺