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 MYLAN 147 L9Y7 logo and 4357 HYD 40 341 G 343 IB200 W 921 152 202 851 logo and 87 GP325 G 32 Macrobid IP 10 H 2 G4 NORPRAMIN 25 74 ZE MYLAN ZE 60 L 105 EVK M150 L U 98 L177 P-113 WPI 3332 L19 logo and 3062 PREMPRO ML 60 316 or 317 logo and 069 CTI 121 51 38 4894 PRA 80 465