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 RE 22 WW 33 FLUMADINE 100 786 APO 102 ZE 43 ZC40 GP325 GG 961 E612 5 HP 512 Nitroglycerin 0.2 mg/hr I 37 logo and Pamelor 25 mg 64 LEMMON 540 840 ZA-36 NL 790 ZC 78 NAT 375 11 MYLAN TM 20 RSV 20 PRIFTIN GG 505 A694 GG 489 E 27 A511 L272 EK 25 FV 44-346 GPI A325 G 2004 logo and 4405 WPI 3508 ZE 36