general formula penicillin pcn molecule group antibiotics structural chemical and model

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General formula of penicillin PCN molecule. It is a group of antibiotics. Structural chemical formula and molecule model Royalty Free Stock Photo
General formula of penicillin PCN molecule. It is a group of antibiotics. Sheet of paper in a cage. Structural chemical formula Royalty Free Stock Photo
   
   
   
   
   
General formula of penicillin PCN molecule. It is a group of antibiotics. Structural chemical formula and molecule model
   
   
   
   
   
   
   
General formula of penicillin PCN molecule. It is a group of antibiotics. Structural chemical formula and molecule model. Vector illustration


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