3-Thiazolidinecarboxylic acid, 5-[1-[4-[[[4'-[[[2-[[(1,1-dimethylethoxy)carbonyl]amino]ethyl]amino]sulfonyl][1,1'-biphenyl]-4-yl]sulfonyl]amino]phenyl]ethylidene]-4-oxo-2-thioxo-, ethyl ester, (5Z)- AIDS-163364 AIDS163364