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 O10 NORTRIPTYLINE logo and 241 ML 37 Lilly 3270 logo SANDOZ 651 283 RP101 WPI 3510 SG 174 M C 300 mg R 20 PD 527 54 741 GAL 24 73 01 P 657 Lilly 2 P-112 GX CG5 WPI 3635 F51 E0 D2/850 PD 220 TARO 59 LU E01 U15 ucb 500 K11 627 H125 l81 KU 119 RIC or FV VIP101 M 2 1252 logo and 4356