Pill Identification by Imprints: F23 Home Pill Identification by Imprints: F23 1 result COREMINO ER 135 MG TABLET Side 1: F23 Color: Brown Side 2: LU Shape: Oblong Other Popular Drug Imprint Theo-24 400 mg MP 578 N AK 60 SZ 438 CL 3 M RN3 W 50 MYSOLINE 50 ACTIQ 1600 KOS SUPRAX 200 G 021 cor 226 INDERAL XL WATSON 383 or WATSON MD OMJ 50 C 16 AN 515 145 D 50 L463 K75 XR 400 logo and 2781 GPI A325 241 1 C 5 MP/974 368 Q400 DF SP 22 93 089 K 23 308 AV L922 21 7 AN 55