1-allyl 3-(2,2-dimethoxyethyl) 2-((6-(benzyloxy)-7-methylbenzo[d][1,3]dioxol-5-yl)methylene)malonate

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

amine