Standard InChI: InChI=1S/C20H21N3O6/c1-10(24)21-11-5-14(13-9-16(20(25)26)23-15(13)6-11)22-12-7-17(27-2)19(29-4)18(8-12)28-3/h5-9,22-23H,1-4H3,(H,21,24)(H,25,26)
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