Pill Identification by Imprints: RI91 Home Pill Identification by Imprints: RI91 2 results MINOCYCLINE HCL 100 MG TABLET Side 1: RI91 Color: Yellow Side 2: Shape: Oval MINOCYCLINE HCL 100 MG TABLET Side 1: RI91 Color: Yellow Side 2: Shape: Oval Other Popular Drug Imprint M 37 93 752 WATSON 343 MYLAN 477 ZGNX 20 mg V233 AB A68 PROVERA 2.5 L237 4008 Z198 T 20 A332 5270 93 U 168 P10 CL14 NTBC 20 mg 8310 L42 CAPACET 606 U85 T009 1139 CHEMET GILEAD AS 400 NL BMS 6070 AN 627 P 242 M150 Z C 0 2 610 93 7370 RIFAMATE E 801 l81