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 MSD 749 UCB 583 B AYE R ML55 TZ 4 HP 229 81 04 31 Prosteon G4 308 AV 1 RP G 240 B4 C DIFLUCAN 200 ZC 07 logo and 5712 MP/974 logo and 150 A 117 IP 194 7/5 X 77 M1 V-Z-F M E15 logo and 342 logo and 0303 Y 43 L133 P-D 916 66 R-263 93 657 ibr 5030 1077 BL 300 SZ 657 P 400