} else if (o instanceof Chemical) { Chemical c = (Chemical) o; return "Chemical[" + c.getCoveredText() + "]reg:" + c.getRegistryNumber() + ";substname:" + c.getNameOfSubstance();
} else if (o instanceof Chemical) { Chemical c = (Chemical) o; return "Chemical[" + c.getCoveredText() + "]reg:" + c.getRegistryNumber() + ";substname:" + c.getNameOfSubstance();