3-Ethylmercapto-5-(4-pyridyl)-1,2,4(H)-triazole 3652-22-0 4H-1,2,4-Triazole, 3-ethylthio-5-(4-pyridyl)- Pyridine, 4-(3-ethylthio-5-(4H-1,2,4-triazolyl))-