InChI=1/C18H17NO5/c1-21-10-3-4-11(15(5-10)22-2)12-7-18(20)19-14-8-17-16(6-13(12)14)23-9-24-17/h3-6,8,12H,7,9H2,1-2H3,(H,19,20)/t12-/m0/s1/f/h19H 86585DA952049708