Zalcitabine (ddC)  NRTI  OATP has been implicated in its removal. Removed by a member of the OAT family. OAT1 and OAT3 likely to be responsible for its uptake. OCT1 and OCT2 substrate. Transported by ENT2. Transported by CNT3  Gibbs and Thomas (2002), Takasawa et al. (1997), Gibbs and Thomas (2002), Strazielle et al. (2003), Jung et al. (2008), Baldwin et al. (2004), Minuesa et al. (2008)