Pill Identification by Imprints: S406 Home Pill Identification by Imprints: S406 1 result POTASSIUM CITRATE ER 5 MEQ TAB Side 1: S406 Color: Pale Yellow Side 2: Shape: Round Other Popular Drug Imprint Carnitor ST G 45 G52 MYLAN MT 14 C369 R 158 or 54 312 or GG849 UPSHER-SMITH 0084 MG1 P 33 BP50 or plain Takeda RX652 PAR 823 P 242 AN 10 54 127 ALE 89 TCL 355 424 593 SZ 198 M 221 logo and 2579 L368 AN 55 MT1 TV 4 TZ 1 NL 710 DG2 L61 RESPA 177 logo and TJ 337 WRF 2 IL 3584 755/93 U38 145