1-Cyano-7-methoxy-6-methyl-5,8-dihydroisoquinoline-5,8-dione 5,8-Dihydro-7-methoxy-6-methyl-5,8-dioxo-1-isoquinolinecarbonitrile 86433-72-9 AIDS-000109 AIDS000109 Isoquinolinedione derivative