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 CP 50 MYLAN 3205 IP 190 U23 1008 37 44 BRX 1 311 SLV L236 786 I111 OS 303 Ocuvel CDT 254 M 2540 O-M 180 or O-M 215 or O-M 250 7188 IMI 10 54 710 M E17 U-S Y 43 GIL 304 SZ 137 U 11 512 R189 ZESTRIL 10 VP 076 L131 M P50 54 177 354 M605 MYLAN TM 180 TV 1003 P 1 G-X-U 5126 V