Synonyms: 2-Butenoicacid, 4-hydroxy-3-methyl-,2,3,5,7a-tetrahydro-7-[[[2-(hydroxymethyl)-1-oxo-2-butenyl]oxy]methyl]-1H-pyrrolizin-1-ylester, [1R-[1a(E),7(E),7ab]]-; (+)-Doriasenine; 7-(g-Hydroxysenecioyl)-9-(b-hydroxyangeloyl)retronecine;Doriasenine