File:Nalidixic acid structure.svg
File:Nalidixic acid structure.svg - Wikimedia Commons
Steffen 962 uploaded "File:Nalidixic acid structure.svg" {{Information |Description ={{en|1=Structure of Nalidixic acid}} {{de|1=Struktur von Nalidixinsäure}} |Source ={{own}} |Author =Steffen 962 |Date =2013-03-22 |Permission ={{PD-chem}} |other_version...
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