Pill Identification by Imprints: M C4 Home Pill Identification by Imprints: M C4 1 result CAPTOPRIL 100 MG TABLET Side 1: M C4 Color: White Side 2: Shape: Round Other Popular Drug Imprint 54 943 16 DCI E 104 TCR M 313 WP 5901 ML 4 PAD 0107 A34 54 552 P297 32 R471 L441 TL014 ZA 66 W 1035 CL 042 MAXINATE ADALAT CC 584 AAT 108 2232 M2A4 57344 ALAVEN 654 L490 West-ward 261 MSD 275 E 19 AAA 1031 C28 DISTA H71 5030 C3 or P WPI 858 464 40 mg 54 396 331 logo and 0495 MYLAN A3