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 M 30 G 372 2 5013 V E 114 5553 ZC 07 B1 IP 305 ER 2 CF 54 511 A 50 54 111 C* E658 A 48 ML 30 002 US ProV 2011 8 mg Y C 73 M F2 ZA-09 5688 G 836 E T81 E 704 logo and PB MYLAN 232 H569 C74 B 294 677 LAMICTAL XR 250 64 0382 20 mg SC17