InChI=1S/C16H21N3O6/c1-8-5-6-9(12(20)18-14(23)24)10(7-8)11(17)19-16(4,13(21)22)15(2,3)25/h5-7,25H,1-4H3,(H2,17,19)(H,18,20)(H,21,22)(H,23,24)