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 RX679 T513 U24 ZE 72 337 nGL PARLODEL 5 mg 1032 M 15 54 731 CN 250 C 85 I 10 RI2 93 28 617 742 C533 Advil C&S CL 43 ACTICAL RAPAMUNE 0.5 mg L171 3609 A CH 571 cardizem CD 240 mg 1097 ELN 60 ALKA SELTZER PLUS E502 MYLAN 1259 247 M160 MUTUAL 274 4 0 G 021 M 39 Celgene/ 150mg DYN-105