Pill Identification by Imprints: R189 Home Pill Identification by Imprints: R189 1 result MINOCYCLINE HCL 50 MG TABLET Side 1: R189 Color: Yellow Side 2: Shape: Oval Other Popular Drug Imprint West-ward 3141 RP 115 SZ 467 M 137 E 41 ETO 200 MG M 0 15 E 70 M 7 N008 M 127 EP 137 391 par 725 RI91 logo and 324 BP 649 L Z PR MYLAN ZE 40 211 L158 Theo-24 300 mg FL 1.5 or FL 3 CTI 143 NATCO 796 m m m A01 083 FENTANYL 50mcg/hr G821 M 93 94 MYLAN 8021 logo and 4444 CL 78 M 17 CL 42 L994