4,4’-DDD Back Catalog number: 70099 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1941.6-1MLX10 N-Methyl-N-(trimethylsilyl)trifluoroacetamide,neat,neat,1mL, Price on request 673085 Lidocaine, 250mg Price on request 59954 Anions Mix Price on request