(2S)-5,7-Dihydroxy-8-(gamma,gamma-dimethylallyl)-[6''',6'''-dimethyl-4''',5'''-dihydropyrano-(2''',3''':4',3')]-flavanone 5,7-Dihydroxy-2',2'-dimethyl-8-(3-methyl-but-2-enyl)-2,3,3',4'-tetrahydro-2'H-[2,6']bichromenyl-4-one 5,7-dihydroxy-2',2'-dimethyl-8-(3-methylbut-2-en-1-yl)-2,3,3',4'-tetrahydro-2'H,4H-2,6'-bichromen-4-one Euchrenone a16 InChI=1/C25H28O5/c1-14(2)5-7-17-18(26)12-19(27)23-20(28)13-22(29-24(17)23)15-6-8-21-16(11-15)9-10-25(3,4)30-21/h5-6,8,11-12,22,26-27H,7,9-10,13H2,1-4H3/t22-/m0/s [2,6'-bi-2H-1-benzopyran]-4(3H)-one, 3',4'-dihydro-5,7-dihydroxy-2',2'-dimethyl-8-(3-methyl-2-butenyl)-, (2S)-