Image:Penicillin N - cephalosporin C1.gif

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structures of penicillin N and cephalosporin

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Date/TimeDimensionsUserComment
current04:32, 6 December 2007513×185 (6 KB)Smacgrgr (Talk | contribs) (Reverted to version as of 04:30, 6 December 2007)
04:32, 6 December 2007571×185 (6 KB)Smacgrgr (Talk | contribs) (penicillin and cephalosporin)
04:30, 6 December 2007513×185 (6 KB)Smacgrgr (Talk | contribs) (penicillin and cephalosporin)
23:37, 5 December 2007444×185 (6 KB)Smacgrgr (Talk | contribs) (structures of penicillin N and cephalosporin)

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