65582-53-8 Butanoic acid, 2,3-dihydroxy-2-(1-methoxyethyl)-3-methyl-, (2,3,5,7a-tetrahydro-1-hydroxy-1H-pyrrolizin-7-yl)methyl ester, N-oxide, (1S-(1alpha,7(2S*,3R*),7aalpha))- Europine oxide