Pill Identification by Imprints: M 547 Home Pill Identification by Imprints: M 547 2 results MERCAPTOPURINE 50 MG TABLET Side 1: M 547 Color: Off-White Side 2: Shape: Round MERCAPTOPURINE 50 MG TABLET Side 1: M 547 Color: Off-White Side 2: Shape: Round Other Popular Drug Imprint LES200 45 77 logo and 75 CTI 117 E 18 M 138 BR 348 RI6 E 5000 363 MX 16 G 019 TARO 11 STO 100 21 G P 300 BCI WW 66 US 10 E 799 GG 439 V20 I43 N6 SZ 469 logo 673 PROCARDIA PFIZER 260 DAN 20 logo and 404 CL63 161 54 513 IG273 ZA-36 490 E T81 par 222 AP040 2232 MERRELL 277