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 B 311 MCR 104 L129 logo and 040 ML 70 HP 531 logo and 351 Estradiol 0.06 mg/day (Once Weekly) 2876 RD 53 P-D 916 VH3 MP 79 A272 West-ward 257 MX44 PX 3 logo and A4 logo and 4357 5 MCR 109 ZLP MYLAN 4430 NAPROSYN J2 G443 logo and 341 Z46 URS790 EP 170 461 152 721 1 I 49 61 G453 0860 140 35 86 C77