3-Thiazolidineacetic acid, 5-[1-[3-[[[4'-(aminosulfonyl)[1,1'-biphenyl]-4-yl]sulfonyl]amino]phenyl]ethylidene]-4-oxo-2-thioxo-, ethyl ester, (5Z)- AIDS-105673 AIDS105673 Arylmethylidene rhodanine