InChI=1/C18H21N3O5/c1-17(2)25-12-4-3-11(9-13(12)26-17)19-14(22)10-5-7-18(8-6-10)15(23)20-16(24)21-18/h3-4,9-10H,5-8H2,1-2H3,(H,19,22)(H2,20,21,23,24)/f/h19-21H FE2965E804B83449