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 109 logo and 1112 RH37 IP 173 CLOZARIL RX 505 APO 200 93 670 P-D 916 RC17 HP59 HP 17 E 615 Y05 MM LILLY 4115 G 45 M 154 T-E V353 logo 1113 E 141 E58 MAG 64 4741 TCL 272 logo and 577 7010 79 SCHWARZ E 137 116 GG 172 MCR 104 CLL PACK 75 M 27 M3 or P or M4 G1 WATSON 885