title: Pyrrolizidine alkaloids. Biosynthesis of the angelate component of heliosupine.
mesh_terms: D000085:Acetates / Q000378:metabolism*; D002247:Carbon Isotopes; D007532:Isoleucine / Q000378:metabolism*; D010944:Plants / Q000378:metabolism; D012964:Sodium / Q000378:metabolism*
chemical_list: D000085:Acetates; D002247:Carbon Isotopes; D007532:Isoleucine; D012964:Sodium