(R)-2-((R)-carboxy(2-(3,5-dichloro-4-oxopyridin-1(4H)-yl)acetamido)methyl)-5-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid
(R)-2-((R)-carboxy(2-(3,5-dichloro-4-oxopyridin-1(4H)-yl)acetamido)methyl)-5-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid