5,7-Di-tert-butyl-3-phenylbenzo[d]oxazol-3-ium tetrafluoroborate

3-(((2S,3R,4S,5S,6R)-4,5-Dihydroxy-3-(((2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-6-((((2R,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)methyl)tetrahydro-2H-pyran-2-yl)oxy)-5,7-dihydroxy-2-(4-hydroxyphenyl)-4H-chromen-4-one