(1R,2S)-2-({N5-[(benzyloxy)carbonyl]-N2-[(1-methyl-1H-indol-7-yl)methyl]-L-ornithyl}amino)cyclopentanecarboxylic acid 、
草酸 以
乙腈 为溶剂,
生成 (1R,2S)-2-({N5-[(benzyloxy)carbonyl]-N2-[(1-methyl-1H-indol-7-yl)methyl]-L-ornithyl}amino)cyclopentanecarboxylic acid oxalate