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 P 25 N 941 BMS M 575 TV 1 logo and 4365 LCI W 785 Lilly 3230 717 54 311 E 16 M F5 LL 720 44-389 MACRODANTIN 100 mg logo and 49 EP 140 1078 B4 TV 5655 WW 15 P-D 916 FTY 0.5 mg S 6 SG 319 Neurontin 400 mg logo and 143 L 128 GG D8 G 45 754 C82 L171 LK 50 H 106 IP 115 M 577 P 5 7154