Edwards MW, Daly JW, Myers CW. Alkaloids from a panamanian poison frog, Dendrobates speciosus: identification of pumiliotoxin-A and allopumiliotoxin class alkaloids, 3,5-disubstituted indolizidines, 5-substituted 8-methylindolizidines, and a 2-methyl-6-nonyl-4-hydroxypiperidine. Journal of Natural Products. 1988 Nov-Dec;51(6):1188-97. PMID 3236011
Daly JW, Garraffo HM, Spande TF, Clark VC, Ma J, Ziffer H, Cover JF Jr. Evidence for an enantioselective pumiliotoxin 7-hydroxylase in dendrobatid poison frogs of the genus Dendrobates. Proceedings of the National Academy of Sciences USA. 2003 Sep 16;100(19):11092-7. PMID 12960405
Comins DL, Huang S, McArdle CL, Ingalls CL. Enantiopure 2,3-dihydro-4-pyridones as synthetic intermediates: a concise asymmetric synthesis of (+)-allopumiliotoxin 267A. Organic Letters. 2001 Feb 8;3(3):469-71. PMID 11428041