InChI=1/C21H22N4O3/c1-15(21(26)19-14-22-20-5-3-2-4-18(19)20)23-10-12-24(13-11-23)16-6-8-17(9-7-16)25(27)28/h2-9,14-15,22H,10-13H2,1H3/t15-/m1/s1 1A2A6CB0D7058AB3