Pill Identification by Imprints: RF 28 Home Pill Identification by Imprints: RF 28 2 results CHLOROQUINE PH 500 MG TABLET Side 1: RF 28 Color: White Side 2: Shape: Round CHLOROQUINE PH 500 MG TABLET Side 1: RF 28 Color: White Side 2: Shape: Round Other Popular Drug Imprint U 785 ZYLOPRIM 300 M 37 WW 41 Nitro-Dur 0.6 mg/hr logo and 049 GS TF7 Targretin 128 HYDREA 830 54 190 u50 ML 4 E652 logo 631 FLZ 150 AMBI 448 DO or DP 3 7 AZ 217 2775 C134 TE TE ORN 57 AA 99 T 194 44 542 PAL A mo WATSON 3209 RG87 RZT GDC LILLY 3250 54 233 HYD 20 654 OWP 500 5972 V HP65