ENALAPRIL

                    n-[1-(s)-ethoxycarbonyl-3-phenylpropyl]-l-alanine

ESMOLOL

                    3-[4-[2-hydroxy-3-[(1-methylethyl)amino] propoxy]phenyl]acrylate hcl 

                    n-methyl-4-chloro-piperdine

                    5-amino-4,6-dichloro-2-methylpyridine

                    1,2-benzisothiazole