Pill Identification by Imprints: RX 504 Home Pill Identification by Imprints: RX 504 0 results Nothing Found!!! Other Popular Drug Imprint 503 VIRACEPT logo and 2849 HYD 100 K11 RE 76 ESL800 44 397 MYLAN 8015 WPI 100 RSV 40 54 758 330 MYLAN G2 WPI 500 M378 7.5 300 179 A401 SZ 198 M 543 LAMICTAL 150 0632 75mg Vivotif SANDOZ 572 M L53 836 243 138 499 P113 30 mg logo and 4365 54 575 HRA R189 INT logo and 500-40 N004 AC356