(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

allyl ((1R,2S)-1-((7S,11R)-5-(allyloxy)-8-hydroxy-4-methyl-7,8,10,11-tetrahydro-6H-7,11-epimino[1,3]dioxolo[4',5':5,6]benzo[1,2-d]oxocin-12-yl)-1-cyano-3-(3,5-dihydroxy-4-methoxyphenyl)propan-2-yl)carbamate

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