Pill Identification by Imprints: M 63 Home Pill Identification by Imprints: M 63 1 result ATENOLOL-CHLORTHALIDONE 50-25 Side 1: M 63 Color: White Side 2: Shape: Round Other Popular Drug Imprint RI3 C3 54 694 A 153 NT or EP M C3 TCL242 N004 ZE 37 16 DCI RD 54 LL 254 logo and TC logo and 65 I 135 54 177 C 200 44 175 logo and 100 mg I 05 770 N S1 M F1 HP 47 MSD 726 HLP 40 logo and 620 832 2 1/2 301 logo and LIBRAX ICN 755/93 RF 27 54 466 20700UL C72 749 A 349 L195 L 166 L 179