InChI=1S/C19H24O4/c1-9(2)18(20)22-15-8-14-10(3)6-7-13-11(4)19(21)23-17(13)16(14)12(15)5/h9,13-17H,3-8H2,1-2H3/t13?,14-,15-,16-,17-/m0/s1