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 WATSON 348 V 2 ZA48 MYLAN 2002 1044 U27 ADIPEX-P EP 134 logo and 2588 I 37 F 73 K 2 S G T0101 111 PREMPRO MYLAN 6895 E6 V.5 DAN 100 T 10 54 312 VGR 100 MYLAN 5280 HP 61 M525 TEGRETOL MP 118 12 CTI 117 FOR SLEEP M R M A11 OS 722 23 25 I 1 7 G38 U47 logo SANDOZ 665 M2