InChI=1/C14H12N2O4/c17-11-7-3-1-5-9(11)13(19)15-16-14(20)10-6-2-4-8-12(10)18/h1-8,17-18H,(H,15,19)(H,16,20)/f/h15-16H	1A03AAEB68D21A91