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 WW 763 266/18 CLEOCIN 300 mg T536 A 44 TZ 1 5413 barr 180 mg C75 VRX 405 60 T logo and 290 M A10 AC 357 G19 AMA RYL ZE 37 IP 77 EC 35 M208 P201 NPR LE 250 10 00 Motrin IB RJ73 NP 13 MEL 15 5382 N023 NT 200 23 27 M B4 Z 2089 027 3S0 GG 331 CL9 G 22 SANDOZ 572 DAN 5642