InChI=1/C21H29N5O/c1-3-5-25-18-16(17-22-15(4-2)11-26(17)20(25)27)23-19(24-18)21-9-12-6-13(10-21)8-14(21)7-12/h12-15H,3-11H2,1-2H3,(H,23,24)/t12-,13+,14?,15-,21?/m1/s1/f/h23H 9CB8BB11B103B37C