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 421 I 53 ED UB LL255 TOZAL Kaopectate YB 173 NEORAL 25mg 54 122 MYLAN 148 C324 500 T M WPI 3659 FR NL 575 amneal 0796 144 Z8 E 130 R P 250 L430 OS 212 EQD WC-003 5 300 K 25 S 225 M N3 L121 TARO CZ ER 100 U 129 logo and S5 P12 0891 LOVAZA U17 EP 114