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 TL388 m m m E 64 Erymax 250 mg PX W 787 425 Z310 10 mg Z320 20 mg M RE8 P5 V20 MJ 756 219 7153 248 348 E 128 232 L 2 HP 194 E 170 L 35 MP 446 M N3 PAD 0115 44-518 A50 A 594 44 404 E50 869 2 FLZ 200 SG1002 S553 VIP 106 7.5/325 54 533 ZD 22 SZ 987