@Test
public void testGetCIPChirality_Anti() {

    ILigand[] antiLigands = new ILigand[]{ligands[0], ligands[1], ligands[3], ligands[2]};
    LigancyFourChirality chirality = new LigancyFourChirality(molecule.getAtom(1), antiLigands,
            Stereo.ANTI_CLOCKWISE);
    CIP_CHIRALITY rsChirality = CIPTool.getCIPChirality(chirality);
    Assert.assertEquals(CIP_CHIRALITY.S, rsChirality);
}