IT1169255BIT21917/81AIT2191781AIT1169255BIT 1169255 BIT1169255 BIT 1169255BIT 21917/81 AIT21917/81 AIT 21917/81AIT 2191781 AIT2191781 AIT 2191781AIT 1169255 BIT1169255 BIT 1169255B
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Procedimento per la preparazione dell'acido 7beta-(alfa-carbossi-alfa-(p-idrossifenil)acetamido)-7alfa-metossi-3-(1-metiltetrazol-5-il)tiometil-1-ossadetia-3-cefem-4-carbossilico
Nuovo procedimento per la preparazione dell'acido 7-(2(4-piridiltio)acetamido)-3-acetossimetil-8-osso-5-tia-1-azabiciclo (4,2,0) otta-2-ene-2 carbossilico
Procedimento per la preparazione dell'acido 7-(d-(-)-alfa-(4-etil-2,3-diosso-1-piperazincarbossamido)-alfa-(4-idrosifenil)acetamido)-3-(1-metil-1h-tetrazol-5-il)tiometil-3-cefem-4-carbossilico