InChI=1/C15H18N4O4/c1-18(7-10-3-2-6-23-10)8-11(20)12-13(16)19(9-4-5-9)15(22)17-14(12)21/h2-3,6,9H,4-5,7-8,16H2,1H3,(H,17,21,22)/f/h17H A960229E61725936