InChI=1/C14H15N3O3/c18-13(12-2-1-9-20-12)16-10-3-5-11(6-4-10)17-8-7-15-14(17)19/h3-8,12H,1-2,9H2,(H,15,19)(H,16,18)/t12-/m1/s1/f/h15-16H 842EE2D5A667F160