Pill Identification by Imprints: M 54 Home Pill Identification by Imprints: M 54 1 result METHYLPHENIDATE ER 54 MG TAB Side 1: M 54 Color: Red Side 2: Shape: Oblong Other Popular Drug Imprint M2A4 57344 E 774 Y2 or P 3 0 L20 M 147 Tiazac 360 268/40 P-D 916 5.7 44 178 54 948 A 17 7188 HU A 20 KC 10 mg MX31 V 4172 TF TF MYLAN 335 HP59 155 Y 42 PE820 S407 MD RSV 10 54 137 TL 708 I 23 SV FR N S1 2232 ECOTRIN LOW 63 E 615 SG 176