64.5
[1]. R Paul, et al. Imidazo[1,5-d][1,,4]triazines as potential antiasthma agents. J Med Chem. 1985 Nov;8(11):174-16.
[]. Yu-Feng Li, et al. Methyl -(4-methyl-benzyl-idene)carbazate. Acta Crystallogr Sect E Struct Rep Online. 1 May ;66(Pt 6):o149.
H15-H19-H5
P61-P64-P71-P8-P+P5-P4+P4-P6+P64-P45-P51
GHS7