InChI=1/C19H21NO5/c1-10-15-13(21)8-19(2,3)9-14(15)25-16(10)17(22)20-12-7-5-4-6-11(12)18(23)24/h4-7,13,21H,8-9H2,1-3H3,(H,20,22)(H,23,24)/p-1/t13-/m1/s1/fC19H20NO5/h20H/q-1 262471A178ECAAC8