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 DAN 5560 U02 S 370 ML 5 CN 90 W 150 U27 44 235 979 AS A4 Mucinex ZA22 E223 WRF 1 AC 357 AN902 30 LA16 A117 PATR Lilly 3270 9 5 VANCO ACTICAL AR 788 4009 N 08 54 515 PC23 785 logo and 4404 I 05 GP P212 Y03 M F6 IP 190 NU-IRON 150 0291 D C G 30