| 摘要 |
<p>Compounds of the formula <IMAGE> wherein R1 is hydrogen, methyl or ethyl; R2 is hydrogen or chlorine; R3 is hydrogen or chlorine; and R4 is pyrrolidino, piperidino, 2-methyl-piperidino, 2-ethyl-piperidino, 2,6-dimethyl-piperidino or morpholino; and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as their salts are useful as gastric secretion inhibitors and anti-ulcerogenics.</p> |
