InChI=1/C21H28N4O3/c1-5-6-9-12-28-16-11-8-7-10-15(16)18-22-17-19(23-18)25(13-14(2)3)21(27)24(4)20(17)26/h7-8,10-11,14H,5-6,9,12-13H2,1-4H3,(H,22,23)/f/h22H B54A43D58D84F926