873223-10-0

Cyclopropanecarboxylic acid,1-[[[(2S,4R)-4-[[(4-bromophenyl)sulfonyl]oxy]-1-[(2S)-2-[[(cyclopentyloxy)carbonyl]amino]-1-oxo-8-nonenyl]-2-pyrrolidinyl]carbonyl]amino]-2-ethenyl-, methyl ester, (1R,2S)-