1.
Name: (4Z)-4-[(3-bromo-4-ethoxy-5-methoxy-phenyl)methylidene]-1-(3,4-dimethylphenyl)pyrazolidine-3,5-dione
CAS: 5842-70-6



3.
Name: (6R,7R)-3-(acetyloxymethyl)-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid; 4-methylbenzenesulfonic acid
CAS: 5203-31-6


