2-Hydroxybenzo(b)thiophene-3-carboxamide

7-(3,4-difluorophenyl)-3-{[2-(4-methoxyphenyl)-2-oxoethyl]thio}[1,2,4]triazolo[4,3-a]pyrazin-8(7H)-one

2-((7-(4-bromophenyl)-8-oxo-7,8-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-3-yl)thio)-N-(3-fluorophenyl)acetamide

N-(4-methoxybenzyl)-2-((8-oxo-7-phenyl-7,8-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-3-yl)thio)acetamide

[[2-Amino-6-(1-piperidinyl)phenyl]methyl]carbamic acid,1,1-dimethylethyl ester

3-[(4-chlorobenzyl)thio]-7-(3-methoxyphenyl)[1,2,4]triazolo[4,3-a]pyrazin-8(7H)-one

N-(2-chloro-4-methylphenyl)-2-((7-(3-methoxyphenyl)-8-oxo-7,8-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-3-yl)thio)acetamide

N-(2,4-difluorophenyl)-2-[[7-(3-methoxyphenyl)-8-oxo-[1,2,4]triazolo[4,3-a]pyrazin-3-yl]sulfanyl]acetamide

N-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-{[7-(3-methoxyphenyl)-8-oxo-7,8-dihydro[1,2,4]triazolo[4,3-a]pyrazin-3-yl]thio}propanamide

N-(2,5-difluorophenyl)-2-{[7-(3-methoxyphenyl)-8-oxo-7,8-dihydro[1,2,4]triazolo[4,3-a]pyrazin-3-yl]thio}butanamide

7-(4-ethoxyphenyl)-3-{[3-(trifluoromethyl)benzyl]thio}[1,2,4]triazolo[4,3-a]pyrazin-8(7H)-one