InChI=1/C14H15N3O4/c18-13(10-5-2-1-3-6-10)15-16-14(19)11-7-4-8-12(9-11)17(20)21/h1-2,4,7-10H,3,5-6H2,(H,15,18)(H,16,19)/t10-/m0/s1/f/h15-16H 7FF38B6DA9F85D65