InChI=1/C19H21N5O4/c1-24-10-12-7-11(18(27)21-9-13-3-2-4-16(20)22-13)5-6-14(12)23-15(19(24)28)8-17(25)26/h2-7,15,23H,8-10H2,1H3,(H2,20,22)(H,21,27)(H,25,26)/p-1/t15-/m0/s1/fC19H20N5O4/h21H,20H2/q-1 8A9A8259DDA07414