Prymnesin may refer to:
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Prymnesin-1
Prymnesin-1 is a chemical with the molecular formula . It is a member of the prymnesins, a class of hemolytic phycotoxins made by the alga ''Prymnesium parvum''. It is known to be toxic to fish, causing mass fish deaths around the world, including ...
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Prymnesin-2
Prymnesin-2 is an organic compound that is secreted by the haptophyte ''Prymnesium parvum''. It belongs to the prymnesin family and has potent hemolytic and ichthyotoxic properties. In a purified form it appears as a pale yellow solid. ''P. parvum ...
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Prymnesin-B1
Prymnesin-B1 is a chemical with the molecular formula . It is a member of the prymnesins, a class of ladder-frame polyether phycotoxins made by the alga '' Prymnesium parvum''. It is known to be toxic to fish. It is a so called "Type-B" prymnesin, ...
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Prymnesin-B2
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