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 D1 or P POT 10 AUM 101 93 319 Andrx 698 AL 21 166 logo and 35 ML 31 1020 54 311 MYLAN 2500 A 117 L068 CPC2069 M 444 M523 ACTIQ 200 K 101 93 320 U37 G4 GG 263 M A15 B 8 S 40 logo 0023 C280 M 755 InterMune and logo 267mg 519 ROBAXIN 750 G451 S44 B 546 AR 50 BMS 150mg NP 10 GG 227 LZ