(2S)-2-(3,4-dihydroxyphenyl)chromane-5,7-diol 2H-1-benzopyran-5,7-diol, 2-(3,4-dihydroxyphenyl)-3,4-dihydro-, (2S)- InChI=1/C15H14O5/c16-9-6-12(18)10-2-4-14(20-15(10)7-9)8-1-3-11(17)13(19)5-8/h1,3,5-7,14,16-19H,2,4H2/t14-/m0/s Luteoliflavan