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 MIA 106 316 or 317 CIFEREX 54 006 M 544 LEVOXYL TV U4 M MT 15 mg TCL 086 E612 5 GX EX1 VP 011 J1 Flomax 0.4 mg 3S0 RI6 ICAPS K 55 743 CPC1327 S44 354 P 2 S 21 300 ER O20 G 531 54 737 A CL 25mg OR 139 973 44 198 S193 logo and 073 logo and FHPC 400 L012 1MG F 71