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 58 77 L13 Z 100 54 943 logo and 4358 logo and 3090 Tiazac 300 54 892 BNVA L 64 GX EJ7 FI AG AG 461 80 mg SEARLE 1461 M 93 par 54 411 A 171 SZ 344 70 W 923 S 12 par 210 E3 or E6 M U12 L431 logo and 345 C 735 U13 cor 134 RIL FLAGYL 250 ML 36 ZC 59 1201 WELLBUTRIN 100 M 142 WC001 E223