Intermediates for 3-amino-1,2,5-thiadiazole-1-oxides
 This invention relates to intermediates of Mannich-alkynyl aminothiadiazole oxides having histamine H.sub.2 -antagonist activity. A particular final product of this invention is 3-amino-4-[7-piperidinohept-5-ynylamino]-1,2,5-thiadiazole-1-oxide. 
Smith Kline & French Laboratories Limited
C A C
C07D A61P C07D
inventional inventional inventional
Thomas H. Peter
Brown Blurton