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 ZESTRIL 30 567 SAT E 415 GPI W2 IL 3584 A P AA 12 TZ 2 57 55 E150 EX0096 or 50 133 TCL 097 AZ221 RI90 GE 320 1 KLONOPIN V356 E 72 TV APO T50 N 11 3138 T 191 V 6 logo and HF 2 02 O ANDRODERM and LOGO and 4MG/DAY BR 348 MYLAN 6320 E8 2101 V ML ZD 14 3973 B300 FENTANYL 400 McNEIL