Pill Identification by Imprints: M RN4 Home Pill Identification by Imprints: M RN4 0 results Nothing Found!!! Other Popular Drug Imprint 680 N3 R P 3972 IBU 600 E 170 nitroglycerin 0.4mg/hr logo and Zenith 100 mg K 18 logo and KT OMJ 100 SG US P50 RX126 P113 A Z E 50 GS TEW 50 mg FLI 14 mg VIP101 3138 HP 287 V223 WRF 21/2 L 5 FR 1068 LAMICTAL XR 50 ALLFEN 629 93 7350 N L B 1 C 7 N 200 NP 1 292 or 293 AA59 ucb 250