4-{[4-(2,6-Dichloro-phenyl)-[1,2,5]thiadiazol-3-yloxycarbonyl]-methyl-amino}-butyric acid AIDS-088592 AIDS088592 N-(3-carboxypropyl)-N-methyl [3-(2,6-dichlorophenyl)-1,2,5-thiadiazol-4-yl] carbamate