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 CB7 M L53 S12 31 81 L2U4 GG 18 214 Z18 HPC 200 Dia B Niraparib logo and 97 C223 66 or 67 AC40 GG638 or AMOX 500 or GG C9 logo and 2918 54 489 W962 M 63 2683 A CH A59 P-2 AN 571 logo 271 121 INDERAL LA 80 cor 255 S MYLAN DE 5 E 63 MYLAN 4250 logo and 004 435 801 RDY par 726 100 or 300 A92