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 RP 115 MX 24 B 260 RX695 PLIVA 468 RENAGEL 800 TV A19 L421 logo and 3116 N022 M 355 ML 59 TE TE ZC 01 PR 269 WATSON 453 SB 4141 Y Y 248 A IK M 775 P-Fe M L-FLAV S20 537 Y 46 382 RI2 OS 213 USL R 158 or 54 312 or WC 731 ALEVE COLD&SINUS 240 G 532 D I I AUGMENTIN 875 GGD6 U7 or U13