(3R,S)-3-(9-fluorenyl-methoxycarbonylamino)-3-phenyl-propionic acid 、
3-溴苯磺酰氯 、
3-硝基苯硼酸 、 20(S)-20-O-[N
ε-(fluorenyl-9-methoxycarbonyl)lysylvalyl]camptothecin trifluoroacetate 生成 3-[[3-[3-[[(2S)-1-[[(2S)-1-[[(19S)-19-ethyl-14,18-dioxo-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2,4,6,8,10,15(20)-heptaen-19-yl]oxy]-3-methyl-1-oxobutan-2-yl]amino]-6-(9H-fluoren-9-ylmethoxycarbonylamino)-1-oxohexan-2-yl]carbamoylamino]phenyl]phenyl]sulfonylamino]-3-phenylpropanoic acid