The principal cytochrome P450 isoenzyme associated seems to be CYP2E1, with CYP1A2 and CYP3A4 as added pathways. Close to 85% of an oral dose seems from the urine within 24 several hours of administration, most because the glucuronide conjugate, with modest amounts of other conjugates and unchanged drug (see OVERDOSAGE) for toxicity data.Store oxyc