InChI=1/C14H15N3O5/c18-12(4-2-9-13(19)17-14(20)16-9)15-8-1-3-10-11(7-8)22-6-5-21-10/h1,3,7,9H,2,4-6H2,(H,15,18)(H2,16,17,19,20)/t9-/m0/s1/f/h15-17H 0807D30B7F4D2C0F