(7aR,13aS)-10-methoxy-3,3-dimethyl-7,7a,13,13a-tetrahydro-3H-pyrano[2,3-c:6,5-f']dichromene-7,9-diol

(7aR,13aS)-9-(3-azidopropoxy)-10-methoxy-3,3-dimethyl-7,7a,13,13a-tetrahydro-3H-pyrano[2,3-c:6,5-f']dichromen-7-ol

(7aS,13aS)-9-(3-azidopropoxy)-10-methoxy-3,3-dimethyl-13,13a-dihydro-3H-pyrano[2,3-c:6,5-f']dichromen-7(7aH)-one

(7aS,13aS)-9-(3-aminopropoxy)-10-methoxy-3,3-dimethyl-13,13a-dihydro-3H-pyrano[2,3-c:6,5-f']dichromen-7(7aH)-one

(9H-fluoren-9-yl)methyl (2-(2-(2-((3-(((7aS,13aS)-10-methoxy-3,3-dimethyl-7-oxo-7,7a,13,13a-tetrahydro-3H-pyrano[2,3-c:6,5-f']dichromen-9-yl)oxy)propyl)amino)-2-oxoethoxy)ethoxy)ethyl)carbamate