Pill Identification by Imprints: E 221 Home Pill Identification by Imprints: E 221 1 result METFORMIN HCL 1,000 MG TABLET Side 1: E 221 Color: White Side 2: Shape: Oval Other Popular Drug Imprint T536 logo TG WW 110 HP 66 HP 38 ADIPEX-P 37.5 ibr 70 mg 15 mg BP 813 WATSON 410 93 833 M 154 U31 MYLAN 2002 GG 58 BMS 250 mg CYP 193 logo 150 E712 RX 830 CB GG 339 P294 EA 926 6 L 80 45 or 1047 LESCOL XL A MYLAN 5010 M136 TL 211 L 67 NAT 31 90 M 1 93 734 MYLAN 4250 ML 42 CCC 250