InChI=1/C19H25N5O/c1-23(2)14-15-7-9-16(10-8-15)21-19(25)22-17-6-5-11-20-18(17)24-12-3-4-13-24/h5-11H,3-4,12-14H2,1-2H3,(H2,21,22,25)/p+2/fC19H27N5O/h20-23H/q+2 010B34BEE858F0D9