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 COUMADIN 10 I-Caps 270/80 54 757 A027 0031 V RIFAMATE ZD 13 2106 CL 26 USL 93 3129 B 260 L274 Macrobid 453 P09 W 787 E99 E 71 SEARLE 1461 Animi 3 GG 739 Rivastigmine 9.5 mg/24 hours Z8 fentanyl 1600 mcg 654 G 51 UCB 579 WW65 ZYV NCH 0820 L 217 L9Y7 920 logo and 28 MYLAN 197 MP 183 T569 or B6 A24