InChI=1S/C24H30O4/c1-14(2)7-8-19-16(4)11-21-20(13-22(28-21)24(5,6)26)23(19)27-18-10-15(3)9-17(25)12-18/h7,9-12,22,25-26H,8,13H2,1-6H3/t22-/m1/s1