Lupeol molecule. 3D rendering. Atoms are represented as spheres with conventional colour-coding: hydrogen (white), carbon (black), oxygen (red).

Dibenzoylmethane molecule. 3D rendering. Atoms are represented as spheres with conventional colour-coding: hydrogen (white), carbon (black), oxygen (red).

"Lutein carotenoid molecule. Nutrient present in green leafy vegetables such as spinach and kale. Atoms are represented as spheres with conventional colour coding: hydrogen (white), carbon (black), oxygen (red). "

"Theanine herbal molecule. Constituent of tea prepared from Camellia sinensis. Also taken as nutritional supplement. Atoms are represented as spheres with conventional colour coding: hydrogen (white), carbon (black), oxygen (red), nitrogen (blue). "

Dicyclohexyl phthalate (DCP) plasticizer molecule. 3D rendering. Atoms are represented as spheres with conventional colour-coding: hydrogen (white), carbon (black), oxygen (red).

Tetryl explosive molecule. 3D rendering. Atoms are represented as spheres with conventional colour-coding: hydrogen (white), carbon (black), oxygen (red), nitrogen (blue).

Dihydromyricetin (ampelopsin) herbal drug molecule. 3D rendering. Atoms are represented as spheres with conventional colour-coding: hydrogen (white), carbon (black), oxygen (red).

Thromboxane A2 (TXA2) molecule. 3D rendering. Atoms are represented as spheres with conventional colour-coding: hydrogen (white), carbon (black), oxygen (red).

Octyl methoxycinnamate (octinoxate) sunscreen molecule. 3D rendering. Atoms are represented as spheres with conventional colour-coding: hydrogen (white), carbon (black), oxygen (red).

Prasterone (dehydroepiandrosterone, DHEA) drug molecule. 3D rendering. Atoms are represented as spheres with conventional colour-coding: hydrogen (white), carbon (black), oxygen (red).

Dibenzoylmethane molecule. 3D rendering. Atoms are represented as spheres with conventional colour-coding: hydrogen (white), carbon (grey), oxygen (red).

"Resveratrol molecule. Present in many plants, including grapes and raspberries. Believed to have a number of positive health effects. Atoms are represented as spheres with conventional colour coding: hydrogen (white), carbon (black), oxygen (red). "

Methoxychlor molecule, illustration

Xanthine molecule, illustration

Eugenol molecule, illustration

Cinnamaldehyde molecule, illustration

Apigenin dye molecule, illustration

Nitrobenzene molecule, illustration

Isoxaben herbicide molecule, illustration

Benzaldehyde molecule, illustration

Camphorquinone molecule, illustration

Pendimethalin molecule, illustration

Gamma-butyrolactone solvent, illustration

Harmine alkaloid molecule, illustration

Methyl jasmonate plant stress signal molecule. 3D rendering. Atoms are represented as spheres with conventional colour-coding: hydrogen (white), carbon (black), oxygen (red).