InChI=1/C19H30N2O2/c1-15-12-21(13-16(2)23-15)18-8-10-20(11-9-18)14-17-6-4-5-7-19(17)22-3/h4-7,15-16,18H,8-14H2,1-3H3/t15-,16-/m0/s1 D75E89B61172D58F