Cathine (or D-norpseudoephedrine), the (+)-enantiomer and most widely known form of the compound
Ali's doping test at the exhibition returned positive for Cathine, a banned stimulant found in the illegal Yemeni drug Khat.
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His doctor later admitted medicines he had given Ali, when mixed together could have created the positive test for Cathine.
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Ali argues he had taken Cathine inadvertently after contracting a cold in China, but widespread use of hallucinogen drug Khat is known among the Yemeni American community.
Cathine |