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 I40 1070 5/500 PRAVACHOL 20 DAN 5440 04 C 200 MP 445 MYLAN MT 14 031 MYLAN 8015 EP 136 D 86 M 138 KU128 G230 GG 606 B 544 SZ 788 029 93 7300 419 dp UPSHER-SMITH 0101 G 242 TL 211 I 10 027 61 61 GLYNASE 1.5 8 05 54 006 M451 Tofranil-PM 150 mg M33 AC 358 logo and 4365 025 Renvela 800 54 771 NT