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 2130 MACRODANTIN 100 mg TL 211 logo and 3061 C 3 93 7371 M 1840 K GIL 1 RE 21 D6 305 4994 TF TF ML 34 332 C 271 Estradiol 0.025 mg/day MLX 123 J78 ML 35 H 008 606 VIP GG 507 707 SZ 465 1307 GLYNASE 1.5 N004 OME 10 GG 134 MX1 E701 I 34 logo and 2578 601 93 7336 H126 960