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 A22 WPI 100 N120 M208 S 90 CL 8119 NPR LE 250 544 S 25 6 036 MSD 726 M 725 471 PN logo and 89 ZA47 logo and 56 logo and 50 mg E227 B 543 E 39 SZ 135 P P West-ward 292 LOPRESSOR ZC46 M164 240 I6 ORN 57 ANAFRANIL 50 mg J78 A IL PROVERA 2.5 L272 LOTREL 0384 457 BA 300 MUTUAL 105