Butanediamine, N,N'-diphenyl-

4-(2,5-二氧代吡咯烷-1-基)苯磺酰胺

4-(4-nitroanilino)-4-oxobutanoic acid

methyl 4-anilino-4-oxobutanoate

4-氧代-4-[[4-[(2-吡啶基氨基)磺酰基]苯基]氨基]丁酸