5-Pyrimidinecarboxaldehyde, 4-(ethylamino)-2-(methylthio)-
4-(Ethylamino)-2-(methylthio)-5-pyrimidinecarboxaldehyde
4-Ethylamino-2-methanethiopyrimidine-5-carboxaldehyde
4-(Ethylamino)-2-(methylthio)pyrimidine-5-carboxaldehyde
4-(Ethylamino)-2-(methylsulfanyl)pyrimidine-5-carboxaldehyde