InChI=1/C15H16N2O4/c18-14-6-3-10-8-11(4-5-13(10)21-14)17-15(19)16-9-12-2-1-7-20-12/h3-6,8,12H,1-2,7,9H2,(H2,16,17,19)/t12-/m0/s1/f/h16-17H	B9B02799A479EAA2