5-Hydroxy-3-(4-methoxyphenyl)-8,8-dimethyl-10-(3-methylbut-2-en-1-yl)pyrano[3,2-g]chromen-4(8H)-one 1g

5-Hydroxy-3-(4-methoxyphenyl)-8,8-dimethyl-10-(3-methylbut-2-en-1-yl)pyrano[3,2-g]chromen-4(8H)-one 1g