Bulk drugs, intermediates, diphenhydramine hcl ip/ bp/ usp, chlorpheniramine maleate ip/ bp/ usp, cetirizine di hcl bp/ ep, dexchlorpheniramine maleate ip/ bp/ usp, pheniramine maleate ip/ bp/ usp, domperidone, maleate bp, ondensetron hcl bp, usp, miconazole nitrate ip/ bp/ usp, econazole nitrate ip/ bp/ usp, alendronate sodium, glibenclamide bp/ ep/ ip/ usp, nimesulide bp, hydroxyzine hydrochloride, amlodipine base, besylate bp/ ep, intermediates:- a-phenyl-2-pyridyl acetonitrile, 1-(3-chloropropyl)-1, 3 dihydro-2h-benzimidazolone, 1, 2, 3, 9 tetrahydro-4h-carbazole-4-one, 9 methyl-1, 2, 3, 9-tetrahydro-4-h carbazole–4-one, dimethyl amino propyl chloride hcl, 3-amino propyl chloride hcl, 2-chloro-3-nitro-4-methyl pyridine, -(2 methoxy phenoxy) ethyl amine, 2, 3, dimethoxy, –5-methyl-benzo-1, 4, quinone, (cq.o), n acetyl-l-serine methyl ester hcl, 2-methyl-3-nitro phenyl acetic acid, racemic sertraline, 3-dimethyl amino –1-(2-thienyl)-1-propanone hcl, rs-n-n-dimethyl-3- hydroxy-3- (2-thienyl)-1- propanamine, 4-(3, 4, dichlorophenyl)-3, 4-dihydro naphthalenone.(tetralone), 4-(2-piperidino ethoxy) benzoic acid hcl, 4-(2-piperidino ethoxy) benzoic chloride hcl, phthalazine, 2, 6, dipicolinic acid, thiophen-2-aldehyde, 3-methyl, thiophene, 2-aldehyde, diphenyl acetonitrile, 4-chloro-4’ fluoro butyrophenone, 4-chloro, 4’-tert-butyl, butyrophenone, 3, 4, dimethoxy tolune, 4-bromo phenol, 4-bromo anisole, 2, 4-dichloro, phenacyl chloride, benzhydryl bromide, tetrahydro pyrimidine, 2-chloro pyrimidine, 4-(4-chlorophenyl)- 4-hydroxy piperidine, diphenyl acetic acid, 4-methoxy phenacyl bromide, 4-chloro phenacyl bromide, 4-methyl phenacyl bromide, 4-benzoyloxy, 3-nitrophenacyl bromide, 3-benzoyloxy, phenacyl bromide, piperazines:- benzhydryl piperazine, 4-chloro benzhydryl piperazine, n-(4-methoxy phenyl) piperazine, n-benzyl piperazine 2hcl, n-(4-hydroxy phenyl) piperazine, n-cyclohexyl piperazine, n-(2-furoyl) piperazine, 1-benzhydryl, 4-(2-hydroxyethyl) piperazine hcl, 1, 4, benzodioxane carbony piperazine hcl/ base, 1-(3-chloro phenyl) piperazine base/ hcl, 1-(3-chloro propyl)-4-(3-chlorophenyl)piperazine hcl, 1-(3-chloro propyl)-4-(2-methoxy phenyl) piperazine hcl, 1-(2, 3, dichloro phenyl) piperazine hcl, 4’-4’-difluoro benzhydryl piperazine, resolving agents:- di p-toluoyl-d, tartaric acid, di p-toluoyl-l-tartaric acid, di benzoyl-d-tartaric acid monohydrate, di benzoyl-l-tartaric acid monohydrate, d-tartaric acid mono p-nitro anilide, (d-p-nitro tartaranilic acid), l-tartaric acid mono p-nitro anilide, (l-p-nitro tartaranilic acid), di –p- anisoyl-d- tartaric acid, di –p- anisoyl-l- tartaric acid, d-tartaric acid mono p-chloro anilide, (d-p-chloro tartaranilic acid), l-tartaric acid mono, p-chloro anilide, (l-p-chloro tartaranilic acid), l- tartaranilic acid, d- tartaranilic acid