Synonyms: 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylicacid, 3-methyl-7-oxo-3-(1H-1,2,3-triazol-1-ylmethyl)-, 4,4-dioxide, sodiumsalt, (2S,3S,5R)- (9CI);4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid,3-methyl-7-oxo-3-(1H-1,2,3-triazol-1-ylmethyl)-, 4,4-dioxide, sodium salt,[2S-(2a,3b,5a)]-;CL 307579;Tazobactam sodium;YTR 830;