Title:
Heroin (diacetylmorphine or morphine diacetate, also known as diamorphine or H, smack, boy, horse, brown, black, tar)
Caption:
Heroin (diacetylmorphine or morphine diacetate, also known as diamorphine or H, smack, boy, horse, brown, black, tar). An opioid analgesic originally synthesized by C.R. Alder Wright in 1874 by adding two acetyl groups to the molecule morphine, which is found naturally in the opium poppy.