InChI=1/C18H21N5O5/c19-15(24)9-23(10-16(20)25)11-17(26)22-14-6-2-1-5-13(14)18(27)21-8-12-4-3-7-28-12/h1-7H,8-11H2,(H2,19,24)(H2,20,25)(H,21,27)(H,22,26)/p+1/fC18H22N5O5/h21-23H,19-20H2/q+1 67CD5625A8A4B45D