InChI=1/C18H21N3O5/c22-12-9-13-7-10-20(11-8-13)15-4-2-1-3-14(15)19-18(23)16-5-6-17(26-16)21(24)25/h1-6,13,22H,7-12H2,(H,19,23)/f/h19H 02E539B1D0E7A114