[4-(5-amino-7-phenethyl-7H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-2-yl)-phenoxy]-acetic acid ethyl ester

4-(5-amino-7-phenethyl-7H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-2-yl)-phenol

7-(2-phenylethyl)-2-phenylpyrazolo[4,3-e]-1,2,4-triazolo[1,5-c]pyrimidine

7-(2-phenylethyl)-2-(4-chlorophenyl)pyrazolo[4,3-e]-1,2,4-triazolo[1,5-c]pyrimidine

7-(2-phenylethyl)-2-(2-ethoxyphenyl)pyrazolo[4,3-e]-1,2,4-triazolo[1,5-c]pyrimidine