ACYCLOVIR

               2-oxa-1,4-butanedil diacetate 

ADENOSINE               

              6-chloropurine

ALLOPURINOL 

              3-mopholine-2-cyanocrylamide

              5-amino-4-pyrazole carboxamide hemisalfate

             ethoxymethylene cyanoacetic acid ethyl ester

ALOSETRON

               2,3,4,5-tetrahydro-5-methyl-1h-pyrido[4,3-b]indol-1-one

ALPRAZOLAM

                           2-chloroacetylamine-5-chlorobenzophenone

                           2-amino-5-chlorobenzophenone

AMANTADINE

               adamantane

               1-bromo adamantane

               adamantylamine

AMBROXOL

               trans-4-amino cyclohexyphenol

               2-amino-3,5-dibromo benzaldehyde

AMILORIDE

               3-amino-5,6-dichloropyrazine2-methyl formate

               3,5-diamino-6-chloropyrazine-2-methyl formate

AMLODIPINE

                ethyl 4-chloro aceto acetate

AMIODARONE

               2-butyl-3-(p-hydroxybenzoyl)benzofuran

                2-butyl-3-(3',5,5-diido-4-hydroxybenzoyl) benzofuran

AMOXICILLIN

                p-hydroxy phenyl glycine dane salt

                p-hydroxy phenyl glycine acid

ATENOLOL

               4-aminophenyl acetic acid

               4-hydroxyphenyl acetamide

ATORVASTATIN

               (r)-4-cyano-3-hydroxybutyric acid ethyl ester

              (4r-cis)-1,1-dimethylethyl-6-cyanomethyl-2,2-dimethyl-1,3-dioxane-4-acetate

              (4r-cis)-1,1-dimethylethyl-6-aminoethyl-2,2-dimethyl-1,3-dioxane-4-acetate

              4-fluoro-alpha-[2-methyl-1-oxopropyl]-gama-oxo-n,beta-diphenyl benzene butaneamide

             (4r-cis)-1,1-dimethylethyl-6-[2-(4-fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)

             carbonyl]-1h-pyrrol-1-yl]ethyl]-2,2-dimethyl-1,3-dioxane-4-acetate

AZATHIOPRINUM

               5-chloro-1-methyl imidazole

                   5-chloro-1-methyl-4-nitroimidazole

OTHERS

                    7-aca                                           7-adca 

                    cmoba                                           daca 

                    7-fmaca                                         3-ohcem 

                    7-acp (6r,7r)-7-amino-3-(1-pyridiniummethyl)-3-cephem-4-carboxylic acid 

                    7-act (6r,7r)-7-amino-3-[(2,5-dihydro-6-hydroxy-2-methyl-5-oxo-1,2,4-triazin-3-yl)thiomethyl]-3-ephem-4-

                    carboxylic acid atma (z)-2-methoxyimino-2-(2-aminothiazol-4-yl)acetic acid 

                    dbed n,n'-dibenzyl-ethylenedianmine diacetic acid 

                    ho-epcp (r)-2-(4-ethyl-2,3-dioxo-1-piperazinecarboxamido)-2-(p-hydroxyphenyl) acetic acid

                    maem benzothiazol-2-yl-2-(2-aminothiazol-4-yl)-(z)-2-methoxyimino thioacetate 

                    taem benzothiazol-2-yl-2-(2-aminothiazol-4-yl)-(z)-(2-tert-butoxycarbonyl)isopropoxyimino thioacetate 

                    7-tmca (6r,7r)-7-amino-3-[(1-methyl-1h-tertrazol-5-yl)thiomethyl]-3-ephem-4-carboxylic acid 

                    ttx 2,5-dihydro-6-hydroxy-3-mercapto-2-methyl-5-oxo-1,2,4-triazine 

                    n-ethyl piperazine dioxide 

                    2-mercapto-5-methyl-1,3,4-thiazole