2PG2:
reference: Synthesis and SAR of thiophene containing kinesin spindle protein (KSP) inhibitors., Pinkerton AB, Lee TT, Hoffman TZ, Wang Y, Kahraman M, Cook TG, Severance D, Gahman TC, Noble SA, Shiau AK, Davis RL, Bioorg Med Chem Lett. 2007 Apr 29;. PMID: 17498954

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).