InChI=1/C19H23N5O3/c1-19(2,3)18-23-13(10-20)17(27-18)24-8-5-12(6-9-24)16(26)22-14-11-21-7-4-15(14)25/h4,7,11-12H,5-6,8-9H2,1-3H3,(H,21,25)(H,22,26)/f/h21-22H 1979CA2AA2D54F0D