methyl 3-hydroxy-4-(trimethylsilyl)-4-pentenoate

4a-benzyl 13-(tert-butyl) 1-methyl (4aS,7S,13bR,14aS)-7-(((tert-butoxycarbonyl)oxy)methyl)-2-hydroxy-5-oxo-3,7,8,13b,14,14a-hexahydroindolo[2',3':3,4]pyrido[1,2-b]isoquinoline-1,4a,13(4H,5H)-tricarboxylate

(6S,12bR)-12-(tert-butoxycarbonyl)-6-[(tert-butoxycarbonyloxy)methyl]-4-oxo-1,2,3,4,6,7,12,12b-octahydroindolo[2,3-a]quinolizine

(6S,12bR)-1,2,3,6,7,12b-hexahydro-6-(hydroxymethyl)indolo[2,3-a]quinolizin-4(12H)-one

methyl 3-oxo-4-(trimethylsilyl)-4-pentenoate