Desmethyl Piroxicam (Piroxicam Impurity B)

Molecular Formula :C₁₄H₁₁N₃O₄S

CAS Number:65897-46-3

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O-Methyl Piroxicam

Molecular Formula :C₁₆H₁₅N₃O₄S

CAS Number:76780-03-5

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