InChI=1/C15H18ClNO4/c1-2-15(14(20)21)6-3-7-17(9-15)13(19)11-8-10(16)4-5-12(11)18/h4-5,8,18H,2-3,6-7,9H2,1H3,(H,20,21)/p-1/t15-/m0/s1/fC15H17ClNO4/q-1 5D12D5BCD639BEC3