Pill Identification by Imprints: L421 Home Pill Identification by Imprints: L421 3 results EQL EFFERVESCENT ANTACID-PAIN Side 1: L421 Color: White Side 2: Shape: Round MEDI-SELTZER EFFERVES TAB Side 1: L421 Color: White Side 2: Shape: Round MEDI-SELTZER EFFERVES TAB Side 1: L421 Color: White Side 2: Shape: Round Other Popular Drug Imprint 318 P4 93 834 ZC55 Z310 10 mg T88 West-ward 257 54 511 SUN808 W 784 EP 905 logo and 2848 LIN 600 TV 2 RP125 DISTA H71 EXELON 1.5 mg O5 M 51 WW 66 605 HYD 80 G44 AN 55 232 or 294 or 233 M 0 17 logo and 342 D10 KPI 284 MYSOLINE 50 5/1000 D 1200 NL2S ZC17 ALLFEN 745 2 K 6 456 logo and 151 IP 46