132147-69-4 2(S)-3(S)-3-Methyl-4',5,7-trihydroxyflavanone 4H-1-Benzopyran-4-one, 2,3-dihydro-5,7-dihydroxy-2-(4-hydroxyphenyl)-3-methyl-, (2S-cis)- BE 14348B BE 14348C WS 7528 WS-7528