SAXITOXIN (73603-72-2, 35523-89-8)
Saxitoxin (STX) is a potent neurotoxin and the best-known paralytic shellfish toxin (PST). Ingestion of saxitoxin, usually by consumption of shellfish contaminated by toxic algal blooms, is responsible for the human illness known as paralytic shellfish poisoning (PSP). The term saxitoxin originates from the genus name of the butter clam (Saxidomus) from which it was first isolated.
Leonurine is a pseudoalkaloid that has been isolated from Leonotis leonurus (Lion's tail), Leonotis nepetifolia, Leonotis artemisia, Leonurus cardiaca (Motherwort), Leonurus sibiricus, as well as other plants of family Lamiaceae. Leonurine is easily extracted into water.
Tan 1057B (128126-45-4, 128126-44-3)
TAN-1057 A and TAN-1057 B are organic compounds found in the Flexibacter sp. PK-74 bacterium. TAN-1057 A and B are closely related structurally as diastereomers.