英文别名5-[2-(methylamino)-5-nitroanilino]-5-oxopentanoic acid; GLUTARIC ACID-2-METHYLAMINO-5-NITROMONOANILIDE; Bendamustine Related Impurity 13; 2'-(MethylaMino)-5'-nitro-glutaranilic Acid; Pentanoic acid, 5-[[2-(methylamino)-5-nitrophenyl]amino]-5-oxo-