InChI=1S/C19H24O3/c1-19-8-7-12-13(15(19)5-6-18(19)21)4-3-11-9-17(22-2)16(20)10-14(11)12/h9-10,12-13,15,20H,3-8H2,1-2H3/t12?,13?,15?,19-/m1/s1