67455-71-4 9-[6-(2,3-Dimethoxy-10-oxo(5,6,7,11a-tetrahydropiperidino[2,1-a]isoquinolin-9-yl))hexyl]-2,3-dimethoxy-5,6,7,11a-tetrahydropiperidino[2,1-a]isoquinolin-10-onet AIDS-011207 AIDS011207 NSC254533