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 3571 V logo SANDOZ 651 par 259 H 147 54 521 A272 ASPIRIN -L- par 009 WC 731 T 46 PZ 180 B 312 logo and S5 1000 M 2231 BI 8 A602 ZA21 Theo-24 100 mg 608 U38 FLUOXETINE 40mg 379 FL 20 A 171 DAN 5535 AL 21 N 77 Tiazac 120 V240 L187 EP 904 MC 32 L129 EM 5 Niraparib 760 Tofranil-PM 75 mg F L 105 ER