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 EP 904 CL65 WAR 7 1/2 M 411 RX904 ASPIRIN WPI 3659 ZA-46 CL 58 628 BNVA 8118 B 301 M GP5 XR 200 G500 2011 PA4 E 104 TYLENOL 325 HOSPITAL F11 Z46 PREMPRO 0.625/5 L76 5382 44 137 L217 MYLAN 3120 GG 40 212 212 BAYER ALAVEN logo and 750-20 RP 145 S407 1249 S2 LCI B-635 148