Pill Identification by Imprints: G 4 Home Pill Identification by Imprints: G 4 1 result OXCARBAZEPINE 300 MG TABLET Side 1: G 4 Color: Yellow Side 2: Shape: Oval Other Popular Drug Imprint Y2 or P S Z NORPRAMIN 50 298 E 19 AC40 U 11 54 162 G12 RAPAMUNE 0.5 mg MS MX 24 44 548 MYLAN AC I 13 K 65 G 3740 J 58 LAMICTAL XR 200 550 M 444 106 A 50 POTABA 51 568 100 mg MYLAN 2537 L054 ZE67 51 54 122 54 987 GG 929 W 3 G147 832 BM05 539 93 62 TEVA 7588 L116 OS 304 54 466