InChI=1S/C19H27NO4/c1-10-8-9-12-6-4-5-7-13(12)14(10)17(22)15-18(23)16(11(2)21)20(3)19(15)24/h8-14,16,21-22H,4-7H2,1-3H3/b17-15-/t10-,11+,12+,13-,14-,16+/m1/s1