InChI=1/C18H20N2O7/c21-8-12-13(22)14(23)15(24)17(27-12)20-18(26)19-16(25)11-6-5-9-3-1-2-4-10(9)7-11/h1-7,12-15,17,21-24H,8H2,(H2,19,20,25,26)/t12-,13-,14-,15+,17+/m1/s1/f/h19-20H	3748156F6868E551