Pill Identification by Imprints: EK 20 Home Pill Identification by Imprints: EK 20 2 results EFFER-K 20 MEQ TABLET EFF Side 1: EK 20 Color: White-Orange Speckled Side 2: Shape: Round EFFER-K 20 MEQ TABLET EFF Side 1: EK 20 Color: White Side 2: Shape: Round Other Popular Drug Imprint R718 ZA-11 SCU2 XR 50 or XR 200 or XR 300 VIP 107 376 L2U4 VRX 3171 V MYLAN 5200 logo and 511 P4 RSV 40 AN 574 RX125 255 ZA-45 63 MYLAN 184 8118 300 XL TV 10 I 03 MRK BCL 25 93 3160 cor 116 OP 707 logo and 497 UPSHER-SMITH 0102 C42 GG 21 DYN-115 F22 PLIVA-648 SZ 74 CL90 L 34 C134 APR