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Robuta

https://pubmed.ncbi.nlm.nih.gov/15844951/
Cremastrine, a pyrrolizidine alkaloid from Cremastra appendiculata
A new pyrrolizidine alkaloid, cremastrine (1), was isolated from the bulbs of Cremastra appendiculata. Its configuration was determined by spectroscopic and...
pyrrolizidine alkaloidcremastra appendiculata