4H-1-Benzopyran-4-one, 2,3-dihydro-5,7-dihydroxy-2-(2,4-dihydroxyphenyl)-8-(5-methyl-2-(1-methylethenyl)-4-hexenyl)-, (S-(R*,S*))- 97938-30-2 Sophoraflavanone G Vexibinol