Castro NG, Costa RS, Pimentel LS, Danuello A, Romeiro NC, Viegas C, Jr., Barreiro EJ, Fraga CA, Bolzani VS, Rocha MS (2008)
CNS-selective noncompetitive cholinesterase inhibitors derived from the natural piperidine alkaloid (-)-spectaline
European Journal of Pharmacology 580: 339

Viegas C, Jr., Bolzani VS, Pimentel LS, Castro NG, Cabral RF, Costa RS, Floyd C, Rocha MS, Young MC, Barreiro EJ, Fraga CA (2005)
New selective acetylcholinesterase inhibitors designed from natural piperidine alkaloids
Bioorganic & Medicinal Chemistry 13: 4184

Viegas C, Jr., Bolzani Vda S, Barreiro EJ, Fraga CA (2005)
New anti-Alzheimer drugs from biodiversity: the role of the natural acetylcholinesterase inhibitors
Mini Rev Med Chem 5: 915

Viegas C, Jr., da SBV, Furlan M, Barreiro EJ, Young MC, Tomazela D, Eberlin MN (2004)
Further bioactive piperidine alkaloids from the flowers and green fruits of Cassia spectabilis
Journal of Natural Products 67: 908