00600001_00625000/605835 9-(4-Chlorophenyl)-10-[(E)-(2,5-dichlorophenyl)diazenyl]-7-pyridin-2-yl-2,5,7,9-tetraazabicyclo[4.3.1]deca-1(10),5-diene-8-thione AIDS-013807 AIDS013807 NSC371194