5-Oxa-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, 7-((carboxy(4-hydroxyphenyl)acetyl)amino)-7-methoxy-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-, diammonium salt, (6R-(6alpha,7alpha,7(R*)))- 77121-76-7 Diammonium salt of moxalactam Moxalactam diammonium