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 216 U-S 41 T 278 CPC 490 TL015 SZ 439 54 312 M 221 GPI 010 3169 WPI 3660 ex-lax 1 WELLBUTRIN XL 150 158 NL 791 ZA48 logo and 3116 LOR 10 5 300 93 3195 EP 118 268 MARGESIC GAL 16 BVF 300 BRX 3 SPN mynatal U3 54 519 359 RN10 GS MZ1 SZ 657 1385 CP 402 AUM 103 E4416 DCI