(2S,6S,12Z,13aS,14aR,16aS)-2-[[(4-Bromophenyl)sulfonyl]oxy]-6-[[(1,1-dimethylethoxy)carbonyl]amino]-1,2,3,6,7,8,9,10,11,13a,14,15,16,16a-tetradecahydro-5,16-dioxo-cyclopropa[e]pyrrolo[1,2-a][1,4]diazacyclopentadecine-14a(5H)-carboxylic acid ethyl ester
CAS No. 1216941-64-8