Acetic acid 2-(4-benzyloxy-3-methoxy-phenyl)-3,7-dimethoxy-4-oxo-5-(toluene-4-sulfonyloxy)-4H-chromen-6-yl ester
Acetic acid 2-(4-benzyloxy-3-methoxy-phenyl)-3-hydroxy-7-methoxy-4-oxo-5-(toluene-4-sulfonyloxy)-4H-chromen-6-yl ester
Toluene-4-sulfonic acid 2-(4-benzyloxy-3-methoxy-phenyl)-3,6-dihydroxy-7-methoxy-4-oxo-4H-chromen-5-yl ester
2-(4-Benzyloxy-3-methoxy-phenyl)-3,5-dihydroxy-7-methoxy-6-methoxymethoxy-chromen-4-one