InChI=1/C21H25N5O/c22-11-16-10-19(23-12-16)21(27)24-13-20-25-17-7-6-15(9-18(17)26-20)8-14-4-2-1-3-5-14/h1-7,9,16,19,23H,8,10-13,22H2,(H,24,27)(H,25,26)/p+1/t16-,19+/m0/s1/fC21H26N5O/h22,24,26H/q+1 597F632481A747CB