帕司烟肼

4-乙基-5-吡啶-4-基-4H-[1,2,4]三唑-3-硫醇

异烟酸乙酯

5,7-dimethyl-3-pyridin-4-ylpyrido[3,4-e][1,2,4]triazin-8-amine

5,7-dimethyl-3-pyridin-4-ylpyrido[3,4-e][1,2,4]triazine