Isoxanthohumol

2,3-Dihydro-7-hydroxy-2-(4-hydroxyphenyl)-5-methoxy-8-(3-methyl-2-buten-1-yl)-4H-1-benzopyran-4-one; 4',7-Dihydroxy-5-methoxy-8-(3-methyl-2-butenyl)-flavanone;