1 . N. N-2-METHYL-1 3-PHENYLENE-BIS-4-(2-PYRIDINYL)-1-PIPERAZINE CARBOXAMIDE REFERENCE SAMPLE USED AS A CHEMICAL REAGENT FOR ANALYSIS IN LABORATORIES. TOTAL 1 PACK
1 . N. N-2-METHYL-1 3-PHENYLENE-BIS-4-(2-PYRIDINYL)-1-PIPERAZINE CARBOXAMIDE REFERENCE SAMPLE USED AS A CHEMICAL REAGENT FOR ANALYSIS IN LABORATORIES. TOTAL 1 PACK