Diltiazem HCl Extended-release Capsules, USP 120 mg, 80 capsules, 8 blister cards of 10 capsules each per carton, Rx Only, Manufactured by: Mylan Pharmaceuticals Inc., Morgantown, WV. NDC 51079-947-08
Failed Impurities/Degradation Specifications; out of specification results for related compound per the manufacturer
Nationwide USA
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=D-1112-2018