Pill Identification by Imprints: 5551 Home Pill Identification by Imprints: 5551 1 result DEXMETHYLPHENIDATE ER 10 MG CP Side 1: TEVA Color: Ivory Side 2: 5551 Shape: Oblong Other Popular Drug Imprint 2 53 4853 V EM2 54 420 2122 WPI 1119 44 326 REV ZA-51 350 A511 M135 GX FC3 MYLAN 531 6 036 MYLAN 2002 1000 MG Climara (estradiol) 0.05mg/day RP103 US ProV ALG 263 W121 93 28 MERICON logo 742 GGD7 A-011 30 M110 LILLY 4420 KPI 117 590 logo and 0303 I31 RB97 Z198 PT TA1M logo and 804 CIS 28 UCB 579