Methylphenidate Hydrochloride Tablets USP, 20 mg, 100-count bottles, Rx only, Manufactured by: Watson Laboratories, Inc., Corona, CA 92880 USA, NDC 0591-5884-01.
Failed Dissolution Specifications: Low out of specification results for dissolution.
Nationwide in the USA and Puerto Rico
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=D-0052-2018