InChI=1/C21H29N3O2/c1-21(2,3)17-8-4-5-9-19(17)26-14-15-10-11-18(23-15)20(25)24-12-6-7-16(24)13-22/h4-5,8-9,15-16,18,23H,6-7,10-12,14H2,1-3H3/t15-,16+,18+/m1/s1 518F0EBD361E5233