InChI=1/C15H16N4O3/c1-3-11-12(14(21)22-2)13(9-5-4-6-10(20)7-9)19-15(18-11)16-8-17-19/h4-8,13,20H,3H2,1-2H3,(H,16,17,18)/t13-/m1/s1/f/h18H E41D9C9F806AE43D