InChI=1/C21H25N3O2/c1-15-8-6-12-19(16(15)2)23-20(25)17-9-7-13-24(14-17)21(26)22-18-10-4-3-5-11-18/h3-6,8,10-12,17H,7,9,13-14H2,1-2H3,(H,22,26)(H,23,25)/t17-/m1/s1/f/h22-23H 4D5B1431F3709458