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 BMS 200mg WATSON 790 0631 50mg G 253 MP 26 C HBP m 200 11 36 GG 21 MX 15 54 694 I 51 ZYRTEC D 7 98 982 or 983 S551 GILEAD 4331 6469 ED 400 MP 66 MPC A221 U86 1034 1180 Y 08 E3 or E6 NT 151 LCI 1340 A1 or A2 Watson 629 CIBA G52 ZC 64 APP 332 AVA C 200 2176 ALEVECS EL510