methyl 5-(4-aminobenzyl)-1-(4-tert-butoxycarbonylaminomethylphenyl)-2,4-dioxo-2,3,4,5-tetrahydro-1H-1,5-benzodiazepine-3-acetate

对甲苯磺酰氯

苯甲酰氯

2-(4,5-dihydro-1,3-oxazol-2-yl)aniline

醋酸