Pill Identification by Imprints: E 511 Home Pill Identification by Imprints: E 511 2 results QUINIDINE SULFATE 200 MG TAB Side 1: E 511 Color: White Side 2: Shape: Round QUINIDINE SULFATE 200 MG TAB Side 1: E 511 Color: White Side 2: Shape: Round Other Popular Drug Imprint RJ70 568 GC5 CL 022 5687 M B1 4 DCI PRA 80 RX681 CL 206 Y 43 logo and 64 1069 M 36 WPI 3699 logo and 401 IP 54 T538 54 735 G71 P 054 E 118 K 57 SZ 213 WW929 A511 XR 50 or XR 200 or XR 300 BI 8 5/325 MYLAN DE 15 SLC 222 258 1201 AS 400 MYLAN 3120 L751 AC 133 Z 3926 CP 405 LAN 1282