rel-5-hydroxy-7,4'-dimethoxy-3' 'S-(2,4,5-trimethoxy-E-styryl)tetrahydrofuro(4' 'R,5' 'R:2,3)flavanonol
rel-5-hydroxy-7,4'-dimethoxy-3' 's-(2,4,5-trimethoxy-e-styryl)tetrahydrofuro(4' 'r,5' 'r:2,3)flavanonol