(1-{9-Amino-3,6-dioxa-7,7-dioxo-1-(1,1,2,2-tetramethyl-1-silapropoxy)-4-[(1,1,2,2-tetramethyl-1-silapropoxy)methyl]-7-thiaspiro[4.4]non-8-en-2-yl}(1,2,3-triazol-5-yl))-N-cyclobutylcarboxamide AIDS-072128 AIDS072128 TSAO 1,2,3-triazole deriv.