4-Oxa-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 3-(2-hydroxyethylidene)-7-oxo-, monopotassium salt, (2R-(2alpha,3Z,5alpha))- 58001-44-8 61177-45-5 Amonate Augmentin BRL 14151K CLAVULANATE POTASSIUM Clavulanate potassium [USAN:JAN] DRG-0225 EINECS 262-640-9 Potassium (2R-(2alpha,3Z,5alpha))-3-(2-hydroxyethylidene)-7-oxo-4-oxa-1-azabicyclo(3.2.0)heptane-2-carboxylate Potassium (Z)-(2R,5R)-3-(2-hydroxyethylidene)-7-oxo-4-oxa-1-azabicyclo(3.2.0)heptane-2-carboxylate Potassium clavulanate Timentin