InChI=1S/C19H26O3/c1-5-19(4)9-8-12-11-6-7-15(21)18(2,3)13(11)10-14(20)16(12)17(19)22/h5,10,15,17,20-22H,1,6-9H2,2-4H3/t15-,17+,19+/m1/s1