Substances: 2-4-D (InChiKey = OVSKIKFHRZPJSS-UHFFFAOYSA-N) Atenolol (InChiKey = METKIMKYRPQLGS-UHFFFAOYSA-N) Azithromycin (InChiKey = MQTOSJVFKKJCRP-BICOPXKESA-N) Variables: discharge