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 FLZ 200 E 131 MYLAN 2100 ZOVIRAX 800 93 782 P02 A92 CARDIZEM W 926 T1 50 Y03 GG 63 West-ward 261 689 par 027 FOSTEUM PLUS IP 272 R207 PA1 logo and 1830 ML 89 D L498 V 5 PIX LUPIN R1 924 NPS 275 251 WATSON 800 FIORICET FIORICET 93 832 G 021 TH1M 66 D 25 M455 U S G 2001