InChI=1/C16H18N2O6/c19-13-8-10(18(22)23)4-5-12(13)17-15(21)11-9-14(20)24-16(11)6-2-1-3-7-16/h4-5,8,11,19H,1-3,6-7,9H2,(H,17,21)/t11-/m0/s1/f/h17H 410DE1F630B0F5CC