Rinderine

(7-hydroxy-5,6,7,8-tetrahydro-3H-pyrrolizin-1-yl)methyl 2-hydroxy-2-(1 -hydroxyethyl)-3-methyl-butanoate

(2S,3R)-2,3-Dihydroxy-2-(1-methylethyl)butanoic acid [(1S)-2,3,5,7aβ-tetrahydro-1-hydroxy-1H-pyrrolizin-7-yl]methyl ester