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

(S)-2-Benzyloxycarbonylamino-3-(6-benzyloxy-7-methyl-benzo[1,3]dioxol-5-yl)-propionic acid 2-oxo-ethyl ester

(S)-2-Benzyloxycarbonylamino-3-(6-benzyloxy-7-methyl-benzo[1,3]dioxol-5-yl)-propionic acid 2,2-dimethoxy-ethyl ester

(7S,11R)-5-hydroxy-4-methyl-6,7,10,11-tetrahydro-8H-7,11-epimino[1,3]dioxolo[4',5':5,6]benzo[1,2-d]oxocin-8-one

2-[1-[3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-4-methoxy-phenyl]-meth-(E)-ylidene]-malonic acid monomethyl ester