2,13-Dimethyl-3,6,9,12,18-pentaazabicyclo[12.3.1]octadeca-1(18),14,16-triene 54293-30-0 AIDS-127694 AIDS127694 NSC175452 {3,6,9,12,18-Pentaazabicyclo[12.3.1]octadeca-1(18),14,16-triene,} 2, 13-dimethyl-