Pill Identification by Imprints: S407 Home Pill Identification by Imprints: S407 1 result POTASSIUM CITRATE ER 10 MEQ TB Side 1: S407 Color: Pale Yellow Side 2: Shape: Oblong Other Popular Drug Imprint WATSON 151 logo and 4806 F21 GLYNASE 1.5 ZANTAC 150 343 AMB 10 West-ward 257 L 66 Z 300 TL012 LL714 logo 751 P 1 CTI 115 PLIVA 323 1205 CL 73 M 7 L204 HP 227 429 44 226 92 W 1034 RP 106 P-Fe 44 450 cor 238 MCR 105 WATSON 606 C370 U3 W1 54 543 WATSON 2404 ALEVE SINUS&HEADACHE WATSON 582 P12 UCY 500