Pill Identification by Imprints: RX904 Home Pill Identification by Imprints: RX904 2 results VALACYCLOVIR HCL 500 MG TABLET Side 1: RX904 Color: Blue Side 2: Shape: Oblong VALACYCLOVIR HCL 500 MG TABLET Side 1: RX904 Color: Blue Side 2: Shape: Oblong Other Popular Drug Imprint 153 M 59 logo and S12 B4 C A10 U3 FV K 16 MP 84 C 11 n30 logo and 13 M 154 CZ 25 AP 84 b 95 A272 MAXIPHEN DM 66 Y M 132 OMJ 50 E1 or P WATSON 345 S191 AC 133 656 G441 PLIVA 333 AA 05 SEROQUEL logo and LANNETT logo and 4805 54 303 cor 126 WATSON 783 logo and ZA E 47 FELDENE PRINIVIL 398