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 G38 735 ASPIRIN -L- CZ PA 500 TL 709 832 200 400 mg 133 ucb 500 HP 26 3670 54 357 OMEPRAZOLE 20mg 44-329 BN6 2292 GGN2 U13 105 GG 58 516 IP 52 355 UPSHER-SMITH 0102 4008 XR 150 C 271 EV0077 M A11 1122 441 25 3626 A X 8 B 50 T21 628 L116 ANI 510