6-(3,5-Dioxo-4-phenyl-1,2,4-triazolidin-1-yl)-6-methyl-2-phenyl- 5,6-dihydro-1H-[1,2,4]triazolo[1,2-a]cinnoline-1,3(2H)-dione 65812-73-9 AIDS-129413 AIDS129413 NSC345744