、
2,2'-{[2-(2,5-二氧代-2,5-二氢-1H-吡咯-1-基)乙基]亚氨基}二乙酸 以
N,N-二甲基甲酰胺 为溶剂,
生成 [4-[[(2S)-2-[[(2S)-2-[[2-[[2-[[(2S)-1-[[(2S)-1-[4-[[(19S)-10,19-diethyl-19-hydroxy-14,18-dioxo-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2,4(9),5,7,10,15(20)-heptaen-7-yl]oxymethylcarbamoyloxymethyl]anilino]-1-oxopropan-2-yl]amino]-1-oxopropan-2-yl]amino]-2-oxoethyl]-[2-(2,5-dioxopyrrol-1-yl)ethyl]amino]acetyl]amino]propanoyl]amino]propanoyl]amino]phenyl]methyl N-[[(19S)-10,19-diethyl-19-hydroxy-14,18-dioxo-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2,4(9),5,7,10,15(20)-heptaen-7-yl]oxymethyl]carbamate