AIDS-157891 AIDS157891 Methyl 3-benzyl-5-(2,2-dimethyl-1,3-dioxolan-4-yl)-2,3,3a,4,5,7-hexahydro-1H-pyrrolo[2,3-d]carbazole-6-carboxylate hydrochloride NSC655612 (HYDROCHLORIDE SALT)