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 RX696 M31 MF 1 LP332 330 135 PD 155 MP 116 ENTOCORT EC 3 mg logo and 2577 UPSHER-SMITH 0086 GM 2 93 319 512 FENTANYL 1200 Triax M050 Nitro-Dur 0.3 mg/hr FLINT 104 C HBP CL63 SZ 439 638 A 214 4 9 A-10 mg 54 328 54 411 H 3 RE 21 CL 31 MYLAN 2302 N011 100 mg OT L734 MEDA ANI 210 AN 44 5 220 JKI 11