Pill Identification by Imprints: M F1 Home Pill Identification by Imprints: M F1 4 results FAMOTIDINE 20 MG TABLET Side 1: M F1 Color: Yellow Side 2: Shape: Round FAMOTIDINE 20 MG TABLET Side 1: M F1 Color: Yellow Side 2: Shape: Round FAMOTIDINE 20 MG TABLET Side 1: M F1 Color: Yellow Side 2: Shape: Round FAMOTIDINE 20 MG TABLET Side 1: M F1 Color: Yellow Side 2: Shape: Round Other Popular Drug Imprint 4186 R4 93 5268 DAN 5440 M122 RG78 U13 LCI 1340 U16 L132 E 47 SIDEROL AV1 or AV2 MYLAN 3025 TAK RAM-8 L255 EP 120 Advil 100 461 80 mg or 462 125 mg Z47 751 C4 or C2 WW 176 K 26 A CH G650 RP 145 L78 M525 WPI 9 CCC 500 MYLAN FE 134 AN 515 251 Nitroglycerin 0.6 mg/hr APO T50 186 L 67 CP108 RI20