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 Z 4236 SA 50 44 352 ZYLOPRIM 300 78 logo and 5312 U29 IP 305 GS XJG MYLAN FE 134 308 MUTUAL 899 SANDOZ 573 NL2S UPSHER-SMITH 0233 A-295 I G 603 93 900 ML 33 MIDOL PM 4833M A05 K1 AN 321 P 125 M 134 79 926 6 UPSHER-SMITH 0226 C272 APO 133 VP 25 logo and ZF M 47 977 Poly 782 OS 301 GG 26 N 947