Pill Identification by Imprints: E 4 Home Pill Identification by Imprints: E 4 2 results ESTRADIOL 1 MG TABLET Side 1: E 4 Color: Pink Side 2: M Shape: Round ESTRADIOL 1 MG TABLET Side 1: E 4 Color: Pink Side 2: M Shape: Round Other Popular Drug Imprint MUTUAL 100 50 223 Z622 SZ Z4 5 L430 G442 A/P 12.5 / 45 177 M 171 L121 MYLAN A1 U L MYLAN 1700 E8 FLECTOR PATCH H 48 T29 Fentanyl 12 mcg/hr 1G5 317 L143 L554 Z or M 519 E503 314 SC 1 UPSHER-SMITH 0084 ROCHE MAXALT PX 3 785 44-526 TUSSIGON G 13 2 or 4 TOP RI 61 1070 5/500