InChI=1S/C21H25N3O6/c1-12-17(20(25)29-3)19(14-6-4-7-15(10-14)24(27)28)18(13(2)23-12)21(26)30-16-8-5-9-22-11-16/h4,6-7,10,16,19,22-23H,5,8-9,11H2,1-3H3