InChI=1/C18H19NO3/c20-9-8-19-7-6-11-2-1-3-13-16(11)14(19)10-12-4-5-15(21)18(22)17(12)13/h1-5,14,20-22H,6-10H2/p+1/t14-/m1/s1/fC18H20NO3/h19H/q+1 B6E97AA87F4B18E9