2,3-Dimethoxy-6-methyl-12H-6.lambda.~5~-[1,3]dioxolo[4',5':5,6]indeno[1,2-c]isoquinoline 87922-29-0 AIDS-129251 AIDS129251 NSC339330 {12H-[1,3]Dioxolo[5,6]indeno[1,2-c]isoquinolinium,} 2, 3-dimethoxy-6-methyl-, chloride