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 PhosLo 976 CTI 102 44 404 502 AK 120 L950 P-D 007 A6 44 334 M F5 STO 150 A116 Watson 371 deplin SCI 503 par 217 MUTUAL 868 1307 831 1 ZLP RH 046 21 MYLAN 3050 LANNETT WW 110 ZE68 GG 126 A 2 26 MYLAN 1020 LI 5 PAR 822 G 1 RD 71 EA 956 672 PH 033 PREMPRO 0.625/5 or PREMARIN 0.625 T400