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 b 777 AN 627 UT 0.25 M 715 758 CL 025 MYLAN DE 10 G 3720 MYLAN 531 G 532 U01 MYLAN FE 67 VP and logo R 50 nitroglycerin 0.2 mg/hr 437 K 29 L403 LCE 100 136 U S N010 WPI 900 M3 ALV 317 MYLAN 6899 PH 0475 AP 84 WW 112 VP 043 M V4 I 2 DISTA 3104 UL MP 273 TCL 334 RP110 par 085 Sandoz 663