1,2-Benzenedimethanol, 3,4-dimethoxy-a1-(5,6,7,8-tetrahydro-4-methoxy-6-methyl-1,3-dioxolo[4,5-g]isoquinolin-5-yl)-, 2,3-dihydroxybutanedioate (1:1) (salt) AIDS-155983 AIDS155983 NSC71696