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 I43 Z45 R717 L 40 WATSON or WATSON 075 ZYV M 261 8 07 APO 500 C1 or C2 or C3 E224 A05 N A 337 B810 54 612 KU 106 ZC 68 4209 logo and 048 V01 1033 CL 42 RN5 93 5200 FL 60 West-ward 210 C1 266/18 GG 606 M 619 MP 26 Q 300 M202 BI 6 AB 603 SUDAFED 12 HOUR b 95 93 834