Pill Identification by Imprints: K4 Home Pill Identification by Imprints: K4 1 result PROMETHAZINE 50 MG TABLET Side 1: K4 Color: Pink Side 2: Shape: Round Other Popular Drug Imprint NL 6469 V 4171 logo 0023 SYNTHROID CR 750 294 R 607 I 11 42 16 V 54 420 705 833 5 P/T R135 Q 300 A CF JSP ZC 09 GG 518 M 134 550 V251 D2/1000 7156 1048 NORCO 539 C 115 273 M A30 0115 2790 T538 Triax M050 TL 001 58 75 8 4 74 ZE K105 OP 706 250mg