Pill Identification by Imprints: CP 404 Home Pill Identification by Imprints: CP 404 1 result METHYLPHENIDATE ER 40 MG CAP Side 1: CP 404 Color: Yellow Side 2: 40 mg Shape: Oblong Other Popular Drug Imprint SS-1 5136 TYLENOL 500 HOSPITAL Fentanyl 12 mcg/hr 54 233 MRK logo YC SL logo and 351 HP 195 M D10 M471 48 11 15 XL CARAFATE DANTRIUM 100mg T 45 925 3 LAMICTAL XR 25 logo and 6450 V2 RIBAVIRIN 200MG K 57 A 676 30 P62 Y04 C42 B 912 logo and 10 701 RE 79 MJ 756 M D6 AZ5 GG 259 61 I 71 G188