(-)-(2,4,6-Trihydroxyphenyl)[3'-methyl-2'-(3''-methylbut-2''-enyl)-6'-phenylcyclohex-3'-enyl]methanone (-)-Hydroxypanduratin A InChI=1/C25H28O4/c1-15(2)9-11-19-16(3)10-12-20(17-7-5-4-6-8-17)23(19)25(29)24-21(27)13-18(26)14-22(24)28/h4-10,13-14,19-20,23,26-28H,11-12H2,1-3H3/t19-,20+,23-/m1/s [3-Methyl-2-(3-methyl-but-2-enyl)-6-phenyl-cyclohex-3-enyl]-(2,4,6-trihydroxy-phenyl)-methanone methanone, [(1R,2S,6R)-3-methyl-2-(3-methyl-2-butenyl)-6-phenyl-3-cyclohexen-1-yl](2,4,6-trihydroxyphenyl)- rel-[(1R,2S,6R)-3-methyl-2-(3-methylbut-2-en-1-yl)-6-phenylcyclohex-3-en-1-yl](2,4,6-trihydroxyphenyl)methanone