Question: what is the chemical composition of queen?
Answer: The queen pheromone is produced by the queen's mandibular glands and its five known components are 9-oxo-(E)-2-decenoic acid, (+)- and (−)-9-hydroxy (E)-2-decenoic acid, methyl p-hydroxybenzoate, and 4-hydroxy-3-methoxyphenylethanol.