InChI=1/C19H21N3O5/c1-20(2)8-9-21(14-6-4-3-5-7-14)19(23)16-12-15(22(24)25)13-17-18(16)27-11-10-26-17/h3-7,12-13H,8-11H2,1-2H3/p+1/fC19H22N3O5/h20H/q+1 C809BAB6CD84AB3D