InChI=1/C15H15N3O3/c1-9-2-3-10(8-17-9)15(19)18-12-7-14-13(6-11(12)16)20-4-5-21-14/h2-3,6-8H,4-5,16H2,1H3,(H,18,19)/f/h18H C0619BF9E2C50138