InChI=1/C21H31N3O3/c1-4-5-6-7-8-15(3)22-20(26)21(27)24-18-13-17(12-9-14(18)2)23-19(25)16-10-11-16/h9,12-13,15-16H,4-8,10-11H2,1-3H3,(H,22,26)(H,23,25)(H,24,27)/t15-/m1/s1/f/h22-24H 40C311BB08FD5270