Pill Identification by Imprints: RI89 Home Pill Identification by Imprints: RI89 1 result MINOCYCLINE HCL 50 MG TABLET Side 1: RI89 Color: Yellow Side 2: Shape: Oval Other Popular Drug Imprint AK 60 FENTANYL 600 519 MYLAN DE 5 PAD 0180 L177 W 718 AAT 102 SCI7 SB 4142 M159 DIDREX 50 U39 M451 NC 100 logo and 4405 CL 40 ALLERGY 12 Sandoz 1/2 MP 20 BCM 50 L 60 394 HYPROST C C+C L272 HP 66 HP66 44 615 or 44 544 ZA20 524 7.5 UL 125 CARDURA IDT M100 332 P 242 ZD 19 PTLA