InChI=1/C17H24N2O2/c1-12-10-19(11-17(2,3)21-12)16(20)15-8-13-6-4-5-7-14(13)9-18-15/h4-7,12,15,18H,8-11H2,1-3H3/t12-,15+/m1/s1 2532A256BE8D87B9