InChI=1/C21H27N3O2/c1-15(2)24-12-10-19(11-13-24)22-23-21(25)16(3)26-20-9-8-17-6-4-5-7-18(17)14-20/h4-9,14-16H,10-13H2,1-3H3,(H,23,25)/t16-/m1/s1/f/h23H 2994BE85083F207D