Brevetoxin A, a group of neurotoxins isolated from the marine dinoflagellate Karenia brevis (formerly Gymnodinium breve)

Brevetoxin-1 (PbTx-1) R = -CH2C(=CH2)CHO
Brevetoxin-7 (PbTx-7) R = -CH2C(=CH2)CH2OH
Brevetoxin-10 (PbTx-10) R = -CH2CH(-CH3)CH2OH
Own work
created by Minutemen using BKchem 0.11.4 &amp; Inkscape 0.44