B/106, 1ST FLOOR, GOPAL CHAMBERS, Opp. Ratan Cinema, SALABATPURA,,http://www.venuschem.com,PHARMACEUTICAL, BULK DRUG, DYESTUFF, INTERMEDIATES, FINE CHEMICALS & SPECIALTY CHEMICALS, (3-Chlorophenyl)-piperazine Hydrochloride(CAS: 65369-76-8), 1-(4-Methoxy Phenyl) Piperazine, (CAS: 38212-30-5), 1-(4-methoxyphenyl)-4-(4-nitrophenyl) piperazine (CA