Variables: pH Substances: 5-Fluorouracil (GHASVSINZRGABV-UHFFFAOYSA-N) 5-Fluoro Cytosine (XRECTZIEBJDKEO-UHFFFAOYSA-N) 3-5-6-Trichloro-2-pyridinol (WCYYAQFQZQEUEN-UHFFFAOYSA-N) 2-6-Dichlorobenzamide (JHSPCUHPSIUQRB-UHFFFAOYSA-N) AMDOPH (IRTZMJWVZQYURE-UHFFFAOYSA-N)