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 logo and 2839 M 27 93 3123 C55 C224 E5254 0200 CL 56 TRA650 8117 GPI P-60 I73 CL65 N 4 7152 P 25 M74 SLX 102 M EN3 677 T1 75 A533 G 45 10/325 T400 219 45 78 5/500 247 or 304 PAL 9 537 271 C148 2 or 8 J94 G32 K 400 L2 or F 215 K 78