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 CT2 U03 227 or 292 48 10 EP 139 1 1 MYLAN 5340 GS TF5 701 NCH 0830 D15 GS JT 678 CM3 PAL 1.5 M 147 E 124 logo and 80 M74 WELLBUTRIN XL 150 MX2 RSV 10 US 15 S4 PA4 1077 logo and A2 PLIVA 333 logo and Zenith 50 mg 1097 872 TL020 logo and TD P295 16 Lilly 3238 CFZ ASK002 AN 755 500 500 3571 V