三氟乙酸 、
tert-butyl (S)-3-(5-(4-((2,3-bis(tert-butoxycarbonyl)guanidino)methyl)phenyl)thiophene-2-carboxamido)-2-(phenylsulfonamido)propanoate 以
二氯甲烷 为溶剂,
生成 (S)-2-Benzenesulfonylamino-3-{[5-(4-guanidinomethyl-phenyl)-thiophene-2-carbonyl]-amino}-propionic acid; compound with trifluoro-acetic acid