Standard InChI: InChI=1S/C19H21N5O2/c1-3-26-18(25)12-4-7-14(8-5-12)22-10-13-6-9-15-16(11(13)2)17(20)24-19(21)23-15/h4-9,22H,3,10H2,1-2H3,(H4,20,21,23,24)
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