pectenotoxin-2，PTX2，扇贝***，CRM-PTX2，腹泻性贝毒，DSPpectenotoxin-2-secoacidCRM-PTX2SA;pectenotoxin-2-secoacid;1,6-Dioxaspiro(4.5)decane-7-aceticacid,2-((S)-((2R,5R)-5-((1S,3R,5S)-1-((2R,5R)-5-((2R,3E,5E)-2,4-dimethyl-6-((2R,3R,5S)-tetrahydro-3-hydroxy-5-((2S,3R,4R)-tetrahydro-2,3-dihydroxy-4-methyl-2H-pyran-2-yl)-2-furanyl)-3,5-hexadienyl)tetrahydro-5-methyl-2-furanyl)-5-methyl-2,8-dioxabicyclo(3.2.1)oct-3-yl)tetrahydro-2-methyl-4-oxo-2-furanyl)hydroxymethyl)-alpha-methyl-,(alphar,2S,5R,7S)-CB61360754***7H72O15877.071212502-87-9.mol)