InChI=1/C16H19NO4/c1-11-8-14(18)16(19,15(2,3)9-11)10-12-4-6-13(7-5-12)17(20)21/h4-8,19H,9-10H2,1-3H3/t16-/m1/s1	343A3EAB25954DCD