2,20-Dichloro-8,14-diimino-3,19-dimethyl-8,9,14,15-tetrahydro-7H,13H-dibenzo[j,n]di[1,2,4]triazolo[5,1-c:1,5-f][1,9,12,13,2,4,6,8]tetrathiatetraazacyclopentadecin-11-ol 5,5,17,17-tetraoxide AIDS-142810 AIDS142810 NSC661074