Prenol is found in blackcurrant. Prenol is a constituent of ylang-ylang and hop oils. Prenol is found in orange peel oil and various fruits e.g. orange lemon lime grape pineapple purple passion fruit loganberry etc. Prenol is a flavouring ingredient

Antiulcer Agent 1 is a 2-(3,4-dimethoxyphenyl)ethylamine derivative for oral administration.

Potassium 7-hydroxy-1-naphthalenesulfona is naturally present in the fruit of the Rubiaceae gardenia, the flowers of the Iridaceae crocus, and the flowers and leaves of the Scrophulariaceae Scrophulariaceae.