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 M151 logo 222 BP 650 PH051 93 5293 WW 927 P U I 17 12 logo and 511 P-112 F51 449 54 986 2105 V UCB 583 M S7 1052 A-17.5 mg logo YH N10 GG854 GG854 100mg barr 5 mg SCI B 293 Lilly 3238 7010 UPSHER-SMITH 0086 logo 271 I43 TEGRETOL 1V125 RX3341 93 1003 NL 276 G 1540 252 L190 CL51