the decomposition rate at elevated temperature was studied of the following penicillins : ampicillin trihydrate ( 1 ) , 6-aminopenicillanic acid ( 2 ; 6-apa ) , amoxicillin trihydrate ( 3 ) , piperacillin ( 4 ) , amoxicillin sodium ( 5 ) , azlocillin sodium ( 6 ) , mezlocillin sodium monohydrate ( 7 ) and azidocillin sodium ( 8 ) .
C0030842
penicillins
C0700443
ampicillin trihydrate