Synonyms: 2-Butenoicacid, 2-methyl-,7-[[2,3-dihydroxy-2-(1-methoxyethyl)-3-methyl-1-oxobutoxy]methyl]-2,3,5,7a-tetrahydro-1H-pyrrolizin-1-ylester, N-oxide, [1S-[1a(Z),7[S*(R*)],7aa]]-; Lasiocarpine, N-oxide (6CI,7CI,8CI); Lasiocarpine oxide; Lasiocarpine,4-oxide