M. Yotsu-yamashita et al., Isolation and structural assignment of 5-deoxytetrodotoxin from the pufferfish Fugu poecilonotus, BIOS BIOT B, 63(5), 1999, pp. 961-963
A novel 10,7-lactone type of tetrodotoxin analog, 5-deoxytetrodotoxin, was
isolated from the puffer fish, Fugu poecilonotus, and its structure was ass
igned by spectroscopic methods.