Synonyms: Histrionicotoxin;Histrionicotoxins;AC1O5NJG;34272-51-0;(4S,6R,10S,11S)-11-[(Z)-but-1-en-3-ynyl]-4-[(Z)-pent-2-en-4-ynyl]-5-azaspiro[5.5]undecan-10-ol;1-Azaspiro(5.5)undecan-8-ol, 7-(1-buten-3-ynyl)-2-(2-penten-4-ynyl)-, (6R-(6alpha(2S*(Z)),7beta(Z),8alpha))-;1-Azaspiro(5.5)undecan-8-ol, 7-(1Z)-1-buten-3-ynyl-2-(2Z)-2-penten-4-ynyl-, (2S,6R,7S,8S)-