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 161 n M121 MIA 856 WPI 9 logo and 5240 D 84 AUM 101 b 171 WATSON 782 H 01 334 704 Renvela 800 12 E 64 462 B 566 970 ZYBAN 150 93 3165 MYLAN 2150 4993 3205 IP 302 G 171 MP 573 RD74 GE 320 1032 J78 XR 200 OP 697 AR 374 CR 750 AR 788 TL019 C51 Endo 602 MM 554