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 266/18 54 694 LL 722 TL 173 P201 COUMADIN 1 MYLAN DE 15 BR 174 GSK Coreg CR FLZ 50 CALAN logo and 4346 GS 300 mg 71 44-491 or 44-466 M D36 BMS 400 mg OMJ 150 M BU1 I84 297 Andrx 640 HP 38 E3 or E6 3431 U35 NL 100mg 3 0 RDY 663 F11 BCL 50 PA 500 MYLAN G1 MYLAN 5050 G 531 IP 173 MP 12 136