英文名称
Pyridinium, 1-[[2-carboxy-7-[[[[2-(1,1-dimethylethoxy)-1,1-dimethyl-2-oxoethoxy]imino][2-[(triphenylmethyl)amino]-4-thiazolyl]acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-, inner salt, [6R-[6alpha,7beta(Z)]]-, compd. with N,N-dimethylformamide (2:5)