Pill Identification by Imprints: M D18 Home Pill Identification by Imprints: M D18 2 results METHYLPHENIDATE ER 18 MG TAB Side 1: M D18 Color: Yellow Side 2: Shape: Round METHYLPHENIDATE ER 18 MG TAB Side 1: M D18 Color: Yellow Side 2: Shape: Round Other Popular Drug Imprint E 54 C 89 RP 1.25 S253 G 532 Tedor 255 TL 172 IP 194 A 51 54 150 G 4900 G 1 ALKA SELTZER and logo I43 M 407 D D 2172 4839 V EN1 WPI 3699 P 075 EP 120 L 27 BRX 4 KU 107 A 48 I-2 MAXINATE logo and NK H 49 PAN 5 m B MYLAN 6320 XR 50 or XR 200 or XR 300 V260 12.5 TENORMIN B P R 10 161