p. 1737 - 1740
(2008/02/02)Benzoic acid (1R,2R,3S)-3-(tert-butyl-dimethyl-silanyloxy)-2-[(2S,4S,5R,6R)-4-(tert-butyl-dimethyl-silanyloxy)-5-((2S,4S,5R,6R)-4,5-diacetoxy-6-methyl-tetrahydro-pyran-2-yloxy)-6-methyl-tetrahydro-pyran-2-yloxy]-1-methyl-pent-4-ynyl ester
digitoxin
Benzoic acid (1R,2R,3S)-2-[(2S,4S,5R,6R)-4,5-bis-(tert-butyl-dimethyl-silanyloxy)-6-methyl-tetrahydro-pyran-2-yloxy]-3-(tert-butyl-dimethyl-silanyloxy)-1-methyl-pent-4-ynyl ester