InChI=1/C21H26N4O3/c1-15-17-8-4-5-9-18(17)21(28)25(22-15)14-19(26)23-10-12-24(13-11-23)20(27)16-6-2-3-7-16/h4-5,8-9,16H,2-3,6-7,10-14H2,1H3 3CD6F4FFFC8B5976