Synonyms: 2-Butenoicacid, 2-methyl-,7-[[2,3-dihydroxy-2-(1-hydroxyethyl)-3-methyl-1-oxobutoxy]methyl]-2,3,5,7a-tetrahydro-1H-pyrrolizin-1-ylester, [1S-[1a(Z),7[R*(R*)],7aa]]-; D-erythro-Pentitol,1,5-dideoxy-4-C-methyl-3-C-[[[(1S,7aR)-2,3,5,7a-tetrahydro-1-[[(2Z)-2-methyl-1-oxo-2-butenyl]oxy]-1H-pyrrolizin-7-yl]methoxy]carbonyl]-(9CI); Heliosupine (6CI,7CI,8CI); Cynoglossophin; Cynoglossophine; Heliosupin;NSC 136054