. . "(2R)-4-(4-Hydroxyphenyl)butan-2-yl \u03B2-(D)-glucopyranoside" . . . . "Betuloside" . "rhododendrin" . . . . "(2R,3S,4S,5R,6R)-2-(Hydroxymethyl)-6-{[(2R)-4-(4-hydroxyphenyl)butan-2-yl]oxy}oxane-3,4,5-triol" . "Rhododendrin" . . . . "Rhododendrin" . "(-)-Rhododendrin" . . . .