InChI=1/C21H26N4O3/c1-15-19(16(2)28-22-15)14-23-10-12-24(13-11-23)21(27)17-5-7-18(8-6-17)25-9-3-4-20(25)26/h5-8H,3-4,9-14H2,1-2H3 34B0CE420C49D366