@Test
public void testB() throws ClassNotFoundException, CDKException, Exception {

    RDBERule rule = new RDBERule();
    IMolecularFormula formula = MolecularFormulaManipulator.getMajorIsotopeMolecularFormula("C6H9BNO2", builder);
    formula.setCharge(1);
    Assert.assertEquals(1.0, rule.validate(formula), 0.0001);
}