@Test
public void testGlycine() throws Exception {

    SmilesParser parser = new SmilesParser(DefaultChemObjectBuilder.getInstance());
    IAtomContainer atomContainer = parser.parseSmiles("C(C(=O)O)N");
    long[] numbers = InChINumbersTools.getNumbers(atomContainer);
    Assert.assertEquals(5, numbers.length);
    Assert.assertEquals(1, numbers[0]);
    Assert.assertEquals(2, numbers[1]);
    Assert.assertEquals(4, numbers[2]);
    Assert.assertEquals(5, numbers[3]);
    Assert.assertEquals(3, numbers[4]);
}