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 nGL MSB 001 AS 400 A-294 325/40 245 or 302 RDY 663 SG 321 2103 V 3171 V S253 N 947 L U G 252 HZT N 80 ND2 logo and H9 GG638 V 5 OMJ 50 L14 P13 PD 535 K7 WATSON 411 AA250 WRF 10 SZ 74 C 10 S 900 1079 AR 788 TL519 TL516 B 35 A/P 25 / 30 WATSON 3209 EZEM W 921