(6R)-7t-amino-7c-methoxy-3-(1-methyl-1H-tetrazol-5-ylsulfanylmethyl)-8-oxo-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid, benzyl-trimethyl-ammonium salt

7beta-氨基-7alpha-甲氧基-3-(1-甲基-1H-四唑-5-硫甲基)-8-氧代-5-硫-1-杂氮双环[4.2.0]辛-2-烯-2-甲酸二苯基甲酯