Buprenorphine and Naloxone Sublingual Tablets, 2 mg/0.5 mg 30 tablets per bottle, Rx only, Distributed by: Teva Pharmaceuticals USA, Inc., North Wales, PA 19454, NDC 0093-5720-56
Failed Impurities/Degradation Specifications: out of specification test results for related compounds largest unknown impurity.
Nationwide in the USA
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=D-0983-2017