6-methyl-3-phenylpyrazolo[1,5-a]pyrido[3,4-e]pyrimidine InChI=1/C16H12N4/c1-11-13-9-18-16-14(12-5-3-2-4-6-12)10-19-20(16)15(13)7-8-17-11/h2-10H,1H pyrazolo[1,5-a]pyrido[3,4-e]pyrimidine, 6-methyl-3-phenyl-