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Caffeine
Theobromine
Theophylline
Solanine
Pilocarpine
Tubocurarine
Berbereine
Papaverine
morphine
Codeine
Thebaine
Serotonin
Psilocybin
Ergometrine
Ergotamine
LSD
Eserine/Physostigmine
Vincristine/vinblastine
Reserpine