InChI=1/C18H21N5O5/c1-3-15-20-16(21-28-15)12-6-5-9-22(10-12)18(25)17(24)19-13-7-4-8-14(11(13)2)23(26)27/h4,7-8,12H,3,5-6,9-10H2,1-2H3,(H,19,24)/t12-/m0/s1/f/h19H BE773FD5C3016BC6