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 634 8 07 AN899 15 M 18 POT 10 a bone outline 159 1205 FS1 logo and 5710 n 352 GP 151 LP332 S 20 106 DYRENIUM 100mg M525 SZ 199 logo and 5307 K 100 MP 27 ZC18 logo and 40 0524 0405 C77 MYLAN 772 E 82 S 832 10 ZC45 T1 50 DF 243 MP 30 Tylenol 500 AMBI 409 AN 641 U S O 571