Pill Identification by Imprints: 839 Home Pill Identification by Imprints: 839 1 result MEFENAMIC ACID 250 MG CAPSULE Side 1: B Color: White Side 2: 839 Shape: Oblong Other Popular Drug Imprint ML52 BTG Nitroglycerin 0.4 mg/hr GG 550 OS 212 PC23 M378 T538 E501 EXELON PATCH 4.6mg/24 hours AMCX RX 828 E T81 H125 Cedax HP532 M 312 TL 217 M 75 325 H126 Orlistat M CL3 3170 V L180 L 166 OP 707 E 140 M 47 OP150 IG274 634 logo and 574 44 218 logo and 123 logo and 11 T 19 G 786 L201 CL 78 TMC