(6aS,7R,13S,14R,16R)-16-(((tert-butyldiphenylsilyl)oxy)methyl)-14-cyano-5-hydroxy-9-methoxy-8-(methoxymethoxy)-4,17-dimethyl-6,6a,7,13,14,16-hexahydro-12H-7,13-epiminobenzo[4,5]azocino[1,2-b][1,3]dioxolo[4,5-h]isoquinolin-10-yl trifluoromethanesulfonate

benzyl (7S,11R)-5-(benzyloxy)-4-methyl-8-oxo-7,8,10,11-tetrahydro-6H-7,11-epimino[1,3]dioxolo[4',5':5,6]benzo[1,2-d]oxocine-12-carboxylate