Pill Identification by Imprints: 531 Home Pill Identification by Imprints: 531 4 results METHYLPHENIDATE 5 MG TABLET Side 1: MD Color: Yellow Side 2: 531 Shape: Round TRAMADOL ER 100 MG TABLET Side 1: 531 Color: White Side 2: Shape: Round TRAMADOL ER 100 MG TABLET Side 1: 531 Color: White Side 2: Shape: Round TRAMADOL HCL ER 100 MG TABLET Side 1: 531 Color: White Side 2: Shape: Round Other Popular Drug Imprint 832 BM05 L324 FIORINAL 955 logo and 5240 logo and S12 1000 M CTI 224 GG 97 APO900 GG 952 SANDOZ 620 C 89 5686 cor 131 SZ 431 314 SZ 395 93 61 P 2 MYLAN G1 54 341 SZ 659 A4 210 J 247 MYLAN ZE 20 C43 GLYNASE 3 S 660 G1 PLIVA 434 M 29 P2 UCY 500 Andrx 699 EN1 200 10 mg and 3513 738 5904 V 60 MERICON