Pill Identification by Imprints: C41 Home Pill Identification by Imprints: C41 3 results PRENATAL 19 TABLET Side 1: C41 Color: White Side 2: Shape: Oblong PRIMIDONE 50 MG TABLET Side 1: C41 Color: White Side 2: Shape: Square PRIMIDONE 50 MG TABLET Side 1: C41 Color: White Side 2: Shape: Square Other Popular Drug Imprint W W SZ Z4 R 7.5 logo and 257 BP 815 54 303 KC Advil A/S 1 9 TAM M208 A08 4008 RX692 G 1 T504 UL 54 571 C81 392 WATSON 780 NV3 MYLAN 2045 V267 LES200 ALO200 A 2 26 A3 or P 60mg Zegerid WRF 10 PH 043 5012 V BMS 200 mg XP650 EP 136 Nitro-Dur 0.1 mg/hr TOPAMAX A CH CN 500 APO 116