@Test
public void roundtripAtomParityImplH() throws Exception {

    StringWriter sw = new StringWriter();
    try (MDLV2000Reader mdlr = new MDLV2000Reader(getClass().getResourceAsStream("/data/mdl/tetrahedral-parity-withImplH.mol"));
         MDLV2000Writer mdlw = new MDLV2000Writer(sw)) {
        mdlw.write(mdlr.read(new AtomContainer()));
        String output = sw.toString();
        assertThat(output, containsString("    0.0000    0.0000    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0\n"));
    }
}