InChI=1/C18H23NO4/c1-11-3-13(17(22)15(5-11)9-20)7-19-8-14-4-12(2)6-16(10-21)18(14)23/h3-6,19-23H,7-10H2,1-2H3/p+1/fC18H24NO4/h19H/q+1 6FC19284EA3B02D8