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 G147 W W 8 L 5 194 logo 1113 44-226 6 036 W964 T 20 L 2 Z 67 GS MZ1 54 840 MYLAN 3404 HP 71 PH 063 756 M T11 37 44 TL012 H 48 CEP J78 M 47 R 4 T 277 134 E41 L432 A 2 1 255 M Z2 R789 U 785 832 logo and H9 CL 3 54 162 253 or 306