Naja naja philippinensis neurotoxin

N-(3-methoxybenzyl)-2-(2-morpholino-7-oxothiazolo[4,5-d]pyrimidin-6(7H)-yl)acetamide

N-(benzo[d][1,3]dioxol-5-ylmethyl)-2-(7-oxo-2-(pyrrolidin-1-yl)thiazolo[4,5-d]pyrimidin-6(7H)-yl)acetamide

N-(4-methylbenzyl)-2-((5-oxo-4-(thiophen-2-ylmethyl)-4,5-dihydrothieno[2,3-e][1,2,4]triazolo[4,3-a]pyrimidin-1-yl)thio)acetamide

N-(4-methoxyphenyl)-2-((5-oxo-4-(thiophen-2-ylmethyl)-4,5-dihydrothieno[2,3-e][1,2,4]triazolo[4,3-a]pyrimidin-1-yl)thio)acetamide

N-(4-ethoxyphenyl)-2-((5-oxo-4-((tetrahydrofuran-2-yl)methyl)-4,5-dihydrothieno[2,3-e][1,2,4]triazolo[4,3-a]pyrimidin-1-yl)thio)acetamide

N-(3-fluorophenyl)-2-((5-oxo-4-((tetrahydrofuran-2-yl)methyl)-4,5-dihydrothieno[2,3-e][1,2,4]triazolo[4,3-a]pyrimidin-1-yl)thio)acetamide

N-(2-chloro-4-fluorophenyl)-2-({7-oxo-8-[(oxolan-2-yl)methyl]-5-thia-1,8,10,11-tetraazatricyclo[7.3.0.0^{2,6}]dodeca-2(6),3,9,11-tetraen-12-yl}sulfanyl)acetamide

N-(2,5-dimethoxyphenyl)-2-((4-(furan-2-ylmethyl)-5-oxo-4,5-dihydrothieno[2,3-e][1,2,4]triazolo[4,3-a]pyrimidin-1-yl)thio)acetamide

N-(4-chlorophenyl)-2-((4-(furan-2-ylmethyl)-5-oxo-4,5-dihydrothieno[2,3-e][1,2,4]triazolo[4,3-a]pyrimidin-1-yl)thio)acetamide

N-(2,4-dimethylphenyl)-2-[7-oxo-2-(piperidin-1-yl)[1,3]thiazolo[4,5-d]pyrimidin-6(7H)-yl]acetamide