Pill Identification by Imprints: RI90 Home Pill Identification by Imprints: RI90 1 result MINOCYCLINE HCL 75 MG TABLET Side 1: RI90 Color: Yellow Side 2: Shape: Oval Other Popular Drug Imprint DAN 5555 DAN 50 DDS 081 2.5 Celgene/ 150mg WPI 3631 MYLAN A1 4009 TCL 340 K 400 NEXIUM 20 mg A 117 E4 U 137 L009 ucb 500 CL60 ITR MYLAN 217 L069 W 1031 TENORETIC EP 906 BRX 4 RX679 logo and Zenith 50 mg N P 233 L 11 VBZ 80 7.5/1000 EV0093 L657 223 CL49 M500 logo and 502 M M605 340