AIDS-004438 AIDS004438 NSC381837 Narciclasine analog [1,3]Dioxolo[4,5-j]phenanthridin-6(2H)-one, 1,3,4,4a,5,11b-hexahydro-2,3,4,7-tetrahydroxy-, (2S,3R,4S,4aR,11bR)- trans-Dihydronarciclasine