InChI=1/C18H23N5O3/c1-19-16(24)11-6-8-12(9-7-11)21-18(26)23-22-17(25)14-10-20-15-5-3-2-4-13(14)15/h2-5,10-12,20H,6-9H2,1H3,(H,19,24)(H,22,25)(H2,21,23,26)/f/h19,21-23H 6D79F09D4BE50C46