570-19-4 Butanoic acid, 2,3,dihydroxy-2-(1-methoxyethyl)-3-methyl-, (2,3,5,7a-tetrahydro-1-hydroxy-1H-pyrrolizin-7-yl)methyl ester, (1S-(1alpha,7(S*(R*)),7aalpha))- EUROPINE NSC 89939