(3R,4S)-7-(benzyloxy)-3-(6-(benzyloxy)benzo[d][1,3]dioxol-5-yl)chromane-3,4-diol

3-<2-(tert-Butyldimethylsilyloxy)-4,5-(methylenedioxy)phenyl>-7-methoxy-2H-benzopyran

3-<2-(tert-Butyldimethylsilyloxy)-4,5-(methylenedioxy)phenyl>-7-methoxy-2,3-dihydro-4H-benzopyran-3,4-diol

cis-3-(2-(tert-Butyldimethylsilyloxy)-4,5-(methylenedioxy)phenyl)-3-hydroxy-7-methoxy-2,3-dihydro-4H-benzopyran-4-yl (+)-Camphor-10-sulfonate

(3S,4R)-(-)-3-(2-Hydroxy-4,5-(methylenedioxy)phenyl)-7-methoxy-2,3-dihydro-4H-benzopyran-3,4-diol