gonyautoxin-5(akaB1)at，GTX-5(B1)，膝沟藻***，CRM-GTX5-b，***性贝毒，PSPCRM-GTX5-b膝沟藻***5gonyautoxin-5CRM-GTX5-bisacalibrationsolutionCRMdesignedforuseinchemicalanalysismethods.Eachampoulecontains0.5mLsolutionofgonyautoxin-5(akaB1)ataconcentrationof65μMinfiltered,aqueousaceticacid(17μM,pH5).)