InChI=1S/C19H27NO3/c1-4-13-11-16(21)19(3)14(13)8-7-12(2)10-17(19)23-18(22)15-6-5-9-20-15/h7,11,14-15,17,20H,4-6,8-10H2,1-3H3/t14-,15+,17+,19+/m1/s1