Ibuprofen EP Impurity B
CS No. : 3585-49-7
2-(RS)-2-(4-butylphenyl)propanoic acid
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Ibuprofen Impurity D
CAS No. : 938-94-3
(2RS)-2-(4-methylphenyl)propanoic acid
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Ibuprofen Impurity E
1-[4-(2-methylpropyl)phenyl]ethanone
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Ibuprofen Propyl Analogue
(2RS)-2-(4-propylphenyl)propanoic acid