(-)-(1β,12α)-20-(tert-butyldiphenylsiloxy)-1-methoxy-12-(methoxymethoxy)picrasane-2,11,16-trione

(+)-(1β,11α,12α,16β)-20-(tert-butyldiphenylsiloxy)-12-(acetyloxy)-16-methoxypicrasane-1,11-diol

Acetic acid (2R,3R,3aS,5S,6aR,7aS,8R,11aS,11bS,11cS)-11c-(tert-butyl-diphenyl-silanyloxymethyl)-5-methoxy-3,8,11a-trimethyl-1,11-dioxo-hexadecahydro-6-oxa-benzo[de]anthracen-2-yl ester

(+)-(12α,16β)-20-(tert-butyldiphenylsiloxy)-12-hydroxy-16-methoxypicrasane-1,11-dione

(2R,3R,3aS,5S,6aR,7aS,8R,11aS,11bS,11cS)-11c-(tert-Butyl-diphenyl-silanyloxymethyl)-5,11-dimethoxy-2-methoxymethoxy-3,8,11a-trimethyl-3,3a,4,5,6a,7,7a,8,9,11a,11b,11c-dodecahydro-2H-6-oxa-benzo[de]anthracen-1-one

(+)-(12α,16β)-20-(tert-butyldiphenylsiloxy)-16-methoxy-12-(methoxymethoxy)picrasane-1,11-dione

rac-N'-((3R,3aS,3a1S,5S,6aR,7aS,8R,11R,11aS,11bR)-3a1-(((tert-butyldiphenylsilyl)oxy)methyl)-5,11-dimethoxy-3,8,11a-trimethyltetradecahydrodibenzo[de,g]chromen-2(1H)-ylidene)-4-methylbenzenesulfonohydrazide

(+)-(1β,16β)-20-(tert-butyldiphenylsiloxy)-1-(acetyloxy)-16-methoxypicras-11-ene

(+)-(1β,9β)-20-(tert-butyldiphenylsiloxy)-1-methoxypicras-12-en-16-one

(-)-(1β)-20-(tert-butyldiphenylsiloxy)-1-hydroxypicras-11-en-16-one

(+)-(1β,16β)-20-(tert-butyldiphenylsiloxy)-1,16-dimethoxypicras-11-ene

(+)-(1β,16β)-20-(tert-butyldiphenylsiloxy)-1,16-dimethoxypicras-9(11)-en-12-one

(+)-(1β,9β,16β)-20-(tert-butyldiphenylsiloxy)-1,16-dimethoxypicras-12-ene

(-)-(1β)-20-(tert-butyldiphenylsiloxy)-1-methoxypicras-11-en-16-one