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 TL 113 DIFLUCAN 150 CL92 1118 45 2104 V APTENSIO XR ZA-10 AT 262 HP 227 PHARMACIA & UPJOHN UCB 500XR VRX 405 44 628 T81 CL 83 367 E3 RDY 343 ERTH G-X M A12 D 24 logo and 1000-40 M U12 E 205 I 53 GG N4 MSD 117 201 or 271 C41 G12 BMS 6070 U30 HCQS OP 707 V400 VIP 105 420 GG 575