Tacrine

**Definition:** A cholinesterase inhibitor that crosses the blood-brain barrier. Tacrine has been used to counter the effects of muscle relaxants, as a respiratory stimulant, and in the treatment of Alzheimer's disease and other central nervous system disorders.

**Tree numbers:** - D03.633.300.046.250.900

**Synonyms:** - 1,2,3,4-Tetrahydroaminoacridine - 9-Amino-1,2,3,4-Tetrahydroacridine - Tetrahydroaminoacridine - 1,2,3,4-Tetrahydro-9-acridinamine