Pharmaceutical Reference Standards / Impurity Standards

Ethionamide
Ethionamide EP Impurity A
Ethionamide Sulfoxide
2-Ethylpyridine-4-carbonitrile
2-ethylpyridine-4-carboxylic Acid
3,5-Bis(2-ethylpyridin-4-yl)-1,2,4-thiadiazole
2-Ethyl-4-pyridinecarboxamide
3-ethyl-4-cyanopyridine
2,6-Diethyl thioisonicotinamide
2,6-diethyl-4-cyanopyridine
2,5-diethyl-4-thioisonicotinimide
4-Thioisonicotinicamide
3-Ethyl-4-Thioisonicamide
Ethionamide-D5
Selenoethionine