Tetrahydrocannabinol. Molecular model of tetrahydrocannabinol (THC, C21.H30.O2), the principal psychoactive constituent of the cannabis plant. Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (white) and oxygen (red). Illustration.

- Image ID: X22PEW
Tetrahydrocannabinol. Molecular model of tetrahydrocannabinol (THC, C21.H30.O2), the principal psychoactive constituent of the cannabis plant. Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (white) and oxygen (red). Illustration.
Science Photo Library / Alamy Stock Photo
Image ID: X22PEW