InChI=1/C18H27N3O3/c1-13(12-18(2,3)14-8-5-4-6-9-14)19-17(23)21-20-16(22)15-10-7-11-24-15/h4-6,8-9,13,15H,7,10-12H2,1-3H3,(H,20,22)(H2,19,21,23)/t13-,15+/m1/s1/f/h19-21H A2F197B034A04EB6