InChI=1/C19H25N5O3/c1-3-23-10-4-5-15(23)11-21-18(25)13-6-8-14(9-7-13)24-17(20)16(12-22-24)19(26)27-2/h6-9,12,15H,3-5,10-11,20H2,1-2H3,(H,21,25)/p+1/t15-/m0/s1/fC19H26N5O3/h21,23H/q+1 52EEA1B6B122BE31