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 SG 322 GG 615 M 28 IP 271 K5 GG 489 ML 63 MYLAN G1 982 54 242 VRX E 50 Advil C&S 153 CL47 BMS 1965 IL 3583 ANZEMET logo and p 038 120 576 I 49 PH 93 670 logo 2666 D C 194 93 3109 CP 227 Dia B MYLAN 6898 E701 HORIZON 205 LZ WPI 3385 West-ward 292 TEVA M A30