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 U40 R-263 G1 M D27 TL601 G 3720 AN901 20 DAN 5556 MEDROL 4 DYN-115 1462 C26 359 753 972 GIL 1 COUMADIN 7 1/2 N 77 629 A10 ZC46 140mg LAMICTAL 100 B 3 AAT 051 WC-002 or WC O 250 or O-M ZGNX 15 mg L 26 NT 151 3970 MYLAN 334 54 411 NL 791 M 3 L058 M 437 STO 100 CARDIZEM 93 5514