InChI=1/C19H23NO5/c1-20(18-13-24-14-7-4-5-8-15(14)25-18)11-12-23-19-16(21-2)9-6-10-17(19)22-3/h4-10,18H,11-13H2,1-3H3/t18-/m0/s1 EF981B23ED7CBDE2