Synonyms: 1-{5-[(2,4-Dichlorobenzyl)sulfanyl]-1,3,4-thiadiazol-2-yl}-3-hydroxy-4-[(7-methoxy-1-benzofuran-2-yl)carbonyl]-5-(3-nitrophenyl)-1,5-dihydro-2H-pyrrol-2-one;2H-pyrrol-2-one, 1-[5-[[(2,4-dichlorophenyl)methyl]thio]-1,3,4-thiadiazol-2-yl]-1,5-dihydro-3-hydroxy-4-[(7-methoxy-2-benzofuranyl)carbonyl]-5-(3-nitrophenyl)-