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Penicillins are a type of β-lactam antibiotic consisting of a four-membered β-lactam ring bound to a five-membered thiazolidine ring
made of natural rubber
Product Specifications:(X-glu
Single-use hypodermic needles
Hardness: 60 Shore A
Non-sterile pasteur pipettes - glass 22767-49-3 Penicillins are a type of
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