InChI=1S/C21H28O4.C21H30O3/c1-4-5-6-7-13-10-17(22)19-15-12-14(20(23)24)8-9-16(15)21(2,3)25-18(19)11-13;1-4-5-6-7-14-11-18(23)20-16-10-15(13-22)8-9-17(16)21(2,3)24-19(20)12-14/h10-12,15-16,22H,4-9H2,1-3H3,(H,23,24);10-12,16-17,22-23H,4-9,13H2,1-3H3