8-Methoxy-11H-[1,2,4]triazolo[4',3':2,3]pyridazino[4,5-b]indole AIDS-132461 AIDS132461 Methyl 11H-[1,2,4]triazolo[4',3':2,3]pyridazino[4,5-b]indol-8-yl ether NSC626421 {11H-1,2,4-Triazolo[4',3':2,3]pyridazino[4,5-b]indole,} 8-methoxy-