3d image of verbenone skeletal formula

verbenone 2-pinen-4-one pinenone terpene odor pleasant pheromone kayromon allomone insect bark beetles mountain pine beetle southern bicyclic ketone rosemary photochemical rearrangement reaction perfumery aromatherapy herbal teas spices remedies cough suppressant l-isomer levoverbenone antimicrobial supplement biological activity bioactive food additive healthy aging essential oils herbal phytochemical phytotherapy plant herb natural herbalism pharmacognosy pharmacopoeia molecule molecular formula skeletal structural structure geometry 3d