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 300 XL HP 146 logo and 806 logo and 144 CH75 L181 MX31 630 4576 JKI 11 400 1044 VRX 0901 SEARLE 1001 MP 10 5011 V T 45 10 mg E1 CM2 AHI 1 LCI 1356 OBX BPI 152 RENAGEL 800 M BU1 ZA 66 MYLAN 2100 2 57 A533 GS XJG DV I 4 K 400 logo and 10 M Z2 54 757 IBU 800 54 299 b 777