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 PLIVA 482 Z 4237 SX LH20 Nitroglycerin 0.2 mg/hr 90 RVT 20 N 77 54 956 167 logo and 127 2 59 West-ward 475 MP 37 TYLENOL 500 HOSPITAL S551 11 36 AA 05 ND1 ZCR 35 35 a bone outline GG N7 54 327 APO TI-2 G 343 K7 A 10 Lilly 3231 C 14 NA 500 MYLAN 145 AL3 b 971 T 10 381 b GG 929 barr B 546 KU 261