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 M136 54 161 M RE4 NORVASC 5 CYP IP 101 logo and 26 E73 255 EM2 MYLAN 152 48 11 H H 5/120 5225 AA1 E 149 logo and 5710 ADVIL COLD & SINUS 3205 P 60 logo and 1810 logo and 127 M 51 721 RESPA 177 4833X 15/1000 G44 GX CG5 P30 HP51 A 75 GG 63 311 AV 1.4 5266 1004 VPHEME Nitro-Dur 0.2 mg/hr GM 4