Acetaminophen-13C2, 15N, 1mg Back Catalog number: A161228 Manufacturer: TORONTO RESEARCH CHEMICALS Availability: In the manufacturer's stock Price on request - + Recommended 674806 Oxyphenbutazone monohydrate, 50mg Price on request P2155018 Plastic additive 18, 50mg Price on request 59053 Cal Std 2 - 10X Price on request