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 N 5 382 C 745 201 Pin-X 54 273 BMS 150mg DAN 5561 SANDOZ 619 L021 HP 3 861 A B S476 CG PA1000 LL MYLAN 8200 V 5 K 56 H 602 30/2 229 INDERAL LA 80 GAB 800 P d ZD 15 93 7438 301 M C28 V S 3S0 3799 231 and logo 60 99 G 45 L 178 A 32 703 logo and EK