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 ATN MYLAN 457 ZC 59 FX100 E 41 Celgene/ 150mg SG 326 L 105 logo 631 MT2 C371 SG 319 MX 16 ADIPEX-P 37.5 54 715 A511 MX2 SZ 344 5688 SZ 438 MEL 7.5 PLIVA 459 555 403 533 Tylenol 500 93 7384 TL710 logo and 047 RJ73 ML 89 WRF 10 logo and 65 E1 N 204 ML 96 FL 290 SANDOZ 625 logo and NT V358