(S)-2-{(S)-3-[4-(5-Aminomethyl-2-methoxy-phenoxy)-phenyl]-2-tert-butoxycarbonylamino-propionylamino}-propionic acid 2,5-dioxo-pyrrolidin-1-yl ester; compound with trifluoro-acetic acid 生成 tert-butyl N-[(11S,14S,29S,32S)-4,22-dimethoxy-11,29-dimethyl-32-[(2-methylpropan-2-yl)oxycarbonylamino]-10,13,28,31-tetraoxo-2,20-dioxa-9,12,27,30-tetrazapentacyclo[32.2.2.216,19.13,7.121,25]dotetraconta-1(36),3,5,7(42),16(41),17,19(40),21,23,25(39),34,37-dodecaen-14-yl]carbamate