3-(SUBSTITUTED PYRIDINYL)-4-HYDROXYTHIAZOLIDINE-2-THIONE DERIVATIVES, A PROCESS FOR THEIR PREPARATION AND PHARMACEUTICAL COMPOSITIONS CONTAINING THEM

摘要

Compounds of the formula: I wherein R1 represents alkyl of 1 through 4 carbon atoms in the 4-, 5- or 6-position of the pyridyl radical, and R2 represents hydrogen or alkyl of 1 through 4 carbon atoms, are useful as anti-ulcer agents.