Sugiyama, M Condensed thienopyrimidines. IV. Synthesis and gastric antisecretory activity of 2,3-dihydro-5H-oxazolothienopyrimidine derivatives. [electronic resource] - Chemical & pharmaceutical bulletin Oct 1989 - 2717-22 p. digital Publication Type: Journal Article ISSN: 0009-2363 Standard No.: 10.1248/cpb.37.2717 doi Subjects--Topical Terms: AnimalsAnti-Ulcer Agents--chemical synthesisChemical PhenomenaChemistryGastric Mucosa--drug effectsMaleOxazoles--chemical synthesisPyrimidines--chemical synthesisRatsRats, Inbred StrainsStructure-Activity RelationshipThiophenes--chemical synthesis