Variables: dissolved_organic_carbon total_organic_carbon Substances: Acetochlor-ESA (HXAIQOCRALNGKB-UHFFFAOYSA-N) 5-Fluoro Cytosine (XRECTZIEBJDKEO-UHFFFAOYSA-N) 2 -2 -Difluorodeoxyuridin (FIRDBEQIJQERSE-QPPQHZFASA-N)