<prompt> SeICIDs are derivatives of:ChloroquineRetinoic acidThalidomideNone of the above  <response>: Another group of thalidomide analogs, selective cytokine inhibitory drugs SelCIDs, are phosphodiesterase type 4 inhibitors with potent anti-TNF-a activity but no T-cell co-stimulatory activity. Several SelCIDs are currently under investigation for clinical use. Ref: Katzung 11th edition Chapter 61. 