Pill Identification by Imprints: RX 505 Home Pill Identification by Imprints: RX 505 1 result ACYCLOVIR 800 MG TABLET Side 1: RX 505 Color: White Side 2: Shape: Oval Other Popular Drug Imprint 93 7437 HP 287 logo 673 OWP 750 ECR M53 HP 71 1118 V265 PFIZER 412 P40 038 C162 I 64 PRECOSE 100 RI1 G4 M R7 93 9133 A-P 1 4 05 4 9 126 OP100 ZA 63 PAL 6 277 E 25 3626 93 3123 ZC 64 BCL 10 CR 500 RD 73 IP 77 E 4354 L151 93 7336 8 DCI CT 1