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 MX 23 C171 M E16 IP 102 500 500 Z 3927 MYLAN TM 100 SANKYO TARO 55 E 44 D3 or P PAD 0181 logo and 30 A 21 411 797 N 342 TL 385 54 331 H P V353 PAL NM1 DYN-105 ER 4 PAD 0118 U 786 ACTIQ 400 741 N1 TREXIMET b 94 Nitro-Dur 0.6 mg/hr GG N7 27 PA83 AAA 1031 T2 200 M2A4 57344 CPC835