(6R-(3(E),6alpha,7beta))-3-(2-(2,4-Dinitrophenyl)ethenyl)-8-oxo-7-((2-thienylacetyl)amino)-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid (7R)-3-((E)-2,4-Dinitrostyryl)-7-(2-thienylacetamido)-3-cephem-4-carboxylic acid 41906-86-9 Nitrocefin Nitrocefin [BAN]