(3aR,7R,7aS)-2,2-Dimethyl-5-oxy-3a,6,7,7a-tetrahydro-[1,3]dioxolo[4,5-c]pyridin-7-ol

Toluene-4-sulfonic acid (3aS,4R,6S,6aS)-6-hydroxy-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-ylmethyl ester

(3aS,4R,7R,8aR,8bR)-2,2-Dimethyl-7-((3aR,5S,5aS,8aS,8bR)-2,2,7,7-tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b;4',5'-d]pyran-5-yl)-hexahydro-1,3,6-trioxa-5a-aza-as-indacen-4-ol