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 42 16 V WATSON 782 54 771 Midol NP 12 NF0 861 T29 LZD G 3721 GG 257 MP 116 G821 M T12 Y02 H23 MX33 44 148 US 12 93 321 GSI1000 CN 1 G456 ALTACE 1.25 mg E 74 NPX 0111 V A 50 W 926 G454 cor 212 851 44-338 Endo 602 V240 L49 44 326 VM L 299 logo and 574