Pill Identification by Imprints: K 4 Home Pill Identification by Imprints: K 4 1 result PROMETHAZINE 50 MG TABLET Side 1: K 4 Color: Pink Side 2: Shape: Round Other Popular Drug Imprint TH2M GX CE5 M B4 B 304 LU E01 PROVERA 2.5 356 VIRACEPT T M E3 or C2 577 SEARLE CP113 Watson 526 LAMICTAL XR 50 or 100 or 200 GPI LB VASO 2.5 N P I82 SZ 657 Integra-F LOGO LANNETT M 37 RJ73 PAL 1.5 54 293 L100 2 58 G 127 HP 43 OMJ 200 E73 NORTRIPTYLINE M 72 D2/500 NE 200 C17 ADALAT CC M 944 S Z