can't read?
Scopoletin is a coumarin found in the root of plants in the genus Scopolia such as Scopolia carniolica and Scopolia japonica.
S 3356 (OTTO) Scopoletin, ≥99% Cas 92-61-5 - used to detect the release of reactive oxygen species during the oxidative burst; peroxynitrite scavenger; acetylcholinesterase inhibitor.