英文名称
2-(4-benzamido-6-oxopyridazin-1-yl)acetic acid;9H-fluoren-9-ylmethyl N-[2-[[2-(4-benzamido-6-oxopyridazin-1-yl)acetyl]-ethylamino]ethyl]carbamate;9H-fluoren-9-ylmethyl N-[2-(ethylamino)ethyl]carbamate;methyl 2-(4-benzamido-6-oxopyridazin-1-yl)acetate