| Dutrow has been fined or suspended at least once every year since 2000 for medication violations — including positive tests for mepivacaine, phenylbutazone and oxyphenbutazone and clenbuterol. |
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| Beckett's Moone's My Name has been awarded a Newbury maiden after Quadrant tested positive for phenylbutazone and oxyphenbutazone. |
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| The urine of the horse was found to contain phenylbutazone and oxyphenbutazone, which are prohibited substances. |
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| But the researchers worry that the effective drug, oxyphenbutazone, may never be tested in TB clinical trials. |
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| Mechanism of ulcerogenic activity of indomethacin and oxyphenbutazone. |
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| A veterinary technician reported the gelding had been injected with a prohibited substance containing phenylbutazone and oxyphenbutazone, commonly known as bute. |
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