InChI=1/C21H25N5O2/c1-14-4-3-5-17(12-14)26-10-8-25(9-11-26)15(2)20(27)22-16-6-7-18-19(13-16)24-21(28)23-18/h3-7,12-13,15H,8-11H2,1-2H3,(H,22,27)(H2,23,24,28)/t15-/m0/s1/f/h22-24H 950B5C7A26A407CB