Pill Identification by Imprints: CM4 Home Pill Identification by Imprints: CM4 1 result INVOKAMET XR 150-1,000 MG TAB Side 1: CM4 Color: Reddish-Brown Side 2: Shape: Oblong Other Popular Drug Imprint M-541 H108 K 8 A534 RIS 104 10 00 CM CTI 223 023 15/30 or P1 L274 AN 511 W 782 logo BI-33 L477 MYLAN 6320 355 MYLAN 5375 G74 RG79 M A15 cor 256 ALTACE 1.25 mg AT131 MYLAN CF 135 523 TCL 003 590 4 DCI C 7 T53 G44 MYLAN 5222 VANDA 20 MG barr 733 nitroglycerin 0.4mg/hr ROCHE 0245 b 572 1 GN I1