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 W W 172 MYLAN TM 250 logo and 637 I31 logo and 49 NC 100 GXL 10 10 00 IP 179 OWP 500 8 WATSON 235 1 8 TF TF 597 logo Estradiol 0.05 mg/day logo 1114 logo and 343 WC 800 VH4 L922 PLIVA 334 Ziks631 MIDOL PM KLX G 24 54 883 P 20 93 308 44-389 G 55 CALAN 52 Y T29 E 25 271 PLIVA 333 MT2