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 MOTRIN PM Phillips' W 150 A4 T 189 A 25 C 4 K 7 D 35 EP 136 54 425 ML52 G 532 573 CAR/RX D 96 T 21 LCI 1383 50 mg MYLAN 4250 MP 511 93 7351 or 93 or TEVA 44 334 158 RD27 IDT M100 UPSHER-SMITH 0101 logo 1117 3609 SG 320 I86 Renvela 800 W 926 WW 270 E 16 GG 64 P20 CORTEF 5 ZF 23 8311