1,7-Dioxaspiro(5.5)undec-10-ene-2-propanoic acid, 8-((1R,2E)-3-((2R,4'aR,5R,6'S,8'R,8'aS)-6'-((1S,3S)-3-((2-S,3R,6R,11R)-3,11-dimethyl-1,7-dioxaspiro(5.5)undec-2-yl)-1-hydroxybutyl)octahydro-8'-hydroxy-7'-methylenespiro(furan-2(3H),2'(3'H)-pyrano(3,2-b)pyran)-5-yl)-1-methyl-2-propenyl)-alpha,5-dihydroxy-alpha,10-dimethyl-, (alphaR,2S,5R,6R,8S)- 35-Methylokadaic acid 81720-10-7 Acanthifolicin, 9,10-deepithio-9,10-didehydro-35-methyl- CCRIS 3328 Dinophysistoxin 1 Dinophysistoxin-1 Okadaic acid, 35-methyl-