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 71 WW DAN 5555 CI 791 A22 8118 HAW 100 C 746 L837 PREMARIN 0.9 A272 4740 C 116 315 RF 28 KU 181 W 1031 BL 07 BMS 400 mg WW 27 M 424 M 75 93-6 SLC 223 L 67 F TEVA 7592 54 706 BP 607 424 490 3972 B384 MP 773 E448 AC39 Benadryl MSD 19 SZ 210