Pill Identification by Imprints: 4MG Home Pill Identification by Imprints: 4MG 1 result INTUNIV ER 4 MG TABLET Side 1: 503 Color: Green Side 2: 4MG Shape: Oblong Other Popular Drug Imprint FENTANYL 75mcg/h 14 or 11 E 140 ZESTRIL 2 1/2 IDA 440 AHI 2 AN 641 G71 242 US 15 L 34 E794 2 1/2 ALDACTONE 100 N 9 TYLENOL 160 TMC R 50 M 15 80 mg 229 175 MYLAN 2500 R25 AMBI 445 54 757 93 7198 93 3107 LCI 1330 81/40 logo and 637 901 K-TAB S429 250 mg 54 722 e5 113 93 7334 CellCept 250 M 221 EP 131