Pill Identification by Imprints: NF5 Home Pill Identification by Imprints: NF5 1 result METFORMIN HCL ER 500 MG OSM-TB Side 1: NF5 Color: White Side 2: Shape: Oblong Other Popular Drug Imprint A536 M F6 NV3 PAD 0180 972 AG AG FL 14/10 IP 303 239 or 291 INT S 121 IP 146 G52 E 657 RX694 E 12 57 55 MP 445 44 447 M112 247 Z340 40 mg CTI 116 AC 357 271 BUMEX 0.5 SP 22 K 26 FLI 7mg FLI 14mg FLI 21mg FLI 28mg GPI A5 NP 1 M 61 logo and 33 SB 4142 E 157 AN70 MIA 106 N040 M605