Pill Identification by Imprints: RI4 Home Pill Identification by Imprints: RI4 2 results RISPERIDONE 2 MG TABLET Side 1: RI4 Color: Yellow Side 2: Shape: Round RISPERIDONE 2 MG TABLET Side 1: RI4 Color: Yellow Side 2: Shape: Round Other Popular Drug Imprint K 29 C 89 AR 788 954 FL12 93 93 105 105 WATSON 487 1117 logo and 38 S3 160 mg WPI 100 M 243 MYLAN 5428 HP51 SS-2 ML 36 8 07 2171 CMC 176 RC17 GG 962 RX695 NPR LE 375 NP 10 93 293 WW 268 41 BMS 6063 OP 697 ML54 172 G451 FAMVIR 018 E 771 West-ward 473 SX US 10