Pill Identification by Imprints: M 31 Home Pill Identification by Imprints: M 31 7 results ALLOPURINOL 100 MG TABLET Side 1: M 31 Color: White Side 2: Shape: Round ALLOPURINOL 100 MG TABLET Side 1: M 31 Color: White Side 2: Shape: Round ALLOPURINOL 100 MG TABLET Side 1: M 31 Color: White Side 2: Shape: Round ALLOPURINOL 100 MG TABLET Side 1: M 31 Color: White Side 2: Shape: Round ALLOPURINOL 100 MG TABLET Side 1: M 31 Color: White Side 2: Shape: Round ALLOPURINOL 100 MG TABLET Side 1: M 31 Color: White Side 2: Shape: Round ALLOPURINOL 100 MG TABLET Side 1: M 31 Color: White Side 2: Shape: Round Other Popular Drug Imprint WW 110 POLY 212 ZA22 b 171 EP 905 SZ 136 G 2 REGLAN EP A01 AN 41 I 8 47 Raptor MYSOLINE 50 394 M451 logo and 806 N L CPC AHI 4 PC18 A3 or F1 logo and 3093 E 50 logo and 660 logo YC logo and 325 AZ5 HP 44 40 mg M 41 715 M T11 L274 WATSON 607 531 P/T B855 L 230