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 Advil 100 MUTUAL 866 EP 134 cardizem CD 240 mg T 57 975 3571 V SZ 135 logo 753 L 301 M 84 140 A511 K 4 L59 PreQue Logo and Z+ or M+ 556 52H 52H UNISOM CARDURA L 299 SG 324 logo and 23 G77 L193 G 372 2 W 1037 C 93 A/P 25 / 45 1427 30/2 FIORICET CODEINE 16 DCI G 0 I 4 KPI 117 C 24 E502