(-)-delta-9-THC-acid-13C4 Back Catalog number: 10396.21-50-ME Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 10612.14-1MG Efavirenz-13C6 Price on request 1109.13-100-T 2-Nitrofluorene-d9, 100µg/ml in Toluene, 1ml Price on request 57758 Cerium (Ce) Price on request