<qa>  What is the name of the compound that is allergic to?- 6. History of allergic reactions or hypersensitivity attributed to compounds with similar chemical or biologic composition to phenylmethane, iodines, isosulfan blue, indigocyanine green ICG and any other agents used in this study. If there is an allergy to one of the possible compounds, a patient can be enrolled only if the treating Investigator takes documented precautions to ensure the agent that the patient is allergic to is not used. 