Aiyar V N, Benn M H, Hanna T, Jacyno J, Roth S H, Wilkens J L
Experientia. 1979 Oct 15;35(10):1367-8. doi: 10.1007/BF01964013.
Examination of D. brownii, a stock-poison of Western Canada, revealed that the principal toxin was methyllycaconitine: a potent neuromuscular blocking agent which appears to act competitively at nicotinic receptors.