Pill Identification by Imprints: C42 Home Pill Identification by Imprints: C42 2 results PRIMIDONE 250 MG TABLET Side 1: C42 Color: Light Yellow Side 2: Shape: Square PRIMIDONE 250 MG TABLET Side 1: C42 Color: Light Yellow Side 2: Shape: Square Other Popular Drug Imprint PAR 868 54 420 93 3125 BI 6 WPI 3739 G 1540 CL 5 GG 930 ZA08 D1 or P RI3 PROVERA 2.5 GG 461 229 or 230 600 PREVENT ME RE12 LFX 571 TL600 L413 ZYBAN 150 502 I3 A 39 7188 557 WC 404 H119 E21 GIL 1 A223 PREMARIN 0.3 ED UB 04 31 M AC 229 229 RDY 663 16 L357