InChI=1/C21H16N2O4/c24-20-18-12-5-6-13(15-9-14(12)15)19(18)21(25)22(20)16-7-8-17(23(26)27)11-4-2-1-3-10(11)16/h1-8,12-15,18-19H,9H2/t12-,13+,14+,15-,18-,19+	1A760F45C51F480A