Benzoic acid (S)-((4R,4aS,8aR,9R,9aR,10aR)-9-methoxy-7,7-dimethyl-hexahydro-1,3,6,8,10-pentaoxa-anthracen-4-ylcarbamoyl)-((2R,5R,6R)-2-methoxy-5,6-dimethyl-4-methylene-tetrahydro-pyran-2-yl)-methyl ester

Benzoic acid (S)-((4S,4aS,8aR,9R,9aR,10aR)-9-methoxy-7,7-dimethyl-hexahydro-1,3,6,8,10-pentaoxa-anthracen-4-ylcarbamoyl)-((2R,5R,6R)-2-methoxy-5,6-dimethyl-4-methylene-tetrahydro-pyran-2-yl)-methyl ester

(4aR,8aR,9R,9aR,10aS)-5-Azido-9-methoxy-2,2-dimethyl-hexahydro-1,3,6,8,10-pentaoxa-anthracene

2,2-Dimethyl-propionic acid (4aS,6R,7R,8R,8aR)-7-acetoxy-4-azido-8-methoxy-hexahydro-pyrano[3,2-d][1,3]dioxin-6-ylmethyl ester