480-83-1 AI3-51768 BUTANOIC ACID, 2,3-DIHYDROXY-2-(1-METHYLETHYL)-, (2,3,5,7a-TETRAHYDRO-1-HYDROXY- Butanoic acid, 2,3-dihydroxy-2-(1-methylethyl)-, (2,3,5,7a-tetrahydro-1-hydroxy-1H-pyrrolizin-7-yl)methyl ester, (1S-(1-alpha,7(2R,3S),7a-alpha))- Echinatine Echinatine (8CI) NSC 89937