InChI=1/C19H39N5O2/c1-5-10-20-18(25)15-24-13-8-17(9-14-24)22-19(26)21-11-6-7-12-23(4)16(2)3/h16-17H,5-15H2,1-4H3,(H,20,25)(H2,21,22,26)/p+2/fC19H41N5O2/h20-24H/q+2 F7D509438B0AF2F4