InChI=1/C21H27NO5/c1-6-7-16(23)17-15(22-13-8-10-14(26-4)11-9-13)12-21(2,3)18(19(17)24)20(25)27-5/h8-11,18,23H,6-7,12H2,1-5H3/p-1/b17-16+,22-15?/t18-/m0/s1/fC21H26NO5/h23h/q-1 ABC2CD7A9C98A718