Pill Identification by Imprints: R31 Home Pill Identification by Imprints: R31 1 result MEFENAMIC ACID 250 MG CAPSULE Side 1: LU Color: Ivory Side 2: R31 Shape: Oblong Other Popular Drug Imprint A 49 EXELON 1.5 mg G 10 5012 V MERICON logo 78 IP 146 A 25 A536 G1 TEVA 2049 S 900 AMOX 500 021 E 130 G 035 IP 212 L145 logo 136 R-262 ZF 14 M471 1327 F 24 583 Q21 CL91 ALAVEN logo and 143 54 190 PY 2 C148 V348 L 65 TE TE ZE 36 345 EL600 L 64 FEL 600