Cocaine is rapidly metabolized to major metabolites, benzoylecgonine and ecgonine methyl ester and minor metabolites, norcocaine, p-hydroxycocaine, m-hydroxycocaine, p-hydroxybenzoylecgonine (pOHBE),and rn-hydroxybenzoylecgonine. (http://jat.oxfordjournals.org/content/30/8/501.long)