InChI=1/C18H21N5O4/c1-23(2)15-8-11(6-7-20-15)10-21-17(25)18(26)22-13-9-12(16(19)24)4-5-14(13)27-3/h4-9H,10H2,1-3H3,(H2,19,24)(H,21,25)(H,22,26)/p+1/fC18H22N5O4/h20-22H,19H2/q+1 B4D637686F6EBB98