InChI=1/C19H25N5O2/c1-2-6-15(23-19(20)26)18(25)21-14-8-5-7-13(11-14)16-12-24-10-4-3-9-17(24)22-16/h5,7-8,11-12,15H,2-4,6,9-10H2,1H3,(H,21,25)(H3,20,23,26)/p+1/t15-/m0/s1/fC19H26N5O2/h21-23H,20H2/q+1 9B8AF8C328BAD5ED