InChI=1S/C19H39NO3/c1-3-15(2)18(22)13-11-9-7-5-4-6-8-10-12-16-19(23)17(14-21)20-16/h15-23H,3-14H2,1-2H3/t15?,16-,17-,18-,19+/m0/s1