InChI=1/C18H20N2O4/c1-18-13(16(22)19-10-5-4-8-24-9-10)14(18)17(23)20-12-7-3-2-6-11(12)15(18)21/h2-3,6-7,10,13-14H,4-5,8-9H2,1H3,(H,19,22)(H,20,23)/t10-,13+,14+,18+/m1/s1/f/h19-20H	2551C17CFDA90529