Pill Identification by Imprints: DX 31 Home Pill Identification by Imprints: DX 31 2 results ISOSORBIDE MONONIT ER 60 MG TB Side 1: DX 31 Color: Light Yellow Side 2: Shape: Oval ISOSORBIDE MONONIT ER 60 MG TB Side 1: DX 31 Color: Light Yellow Side 2: Shape: Oval Other Popular Drug Imprint XANAX VASO 20 KEFLEX 500 mg P 054 93 3127 DIAMOX 754 VH4 APTALIS 20 81 269 E 140 WAT SON 2065 V I 07 logo and 20 HP 512 DROXIA 6335 WATSON 885 V30 Tylenol 500 S429 250 mg logo and 833 UL A028 CL9 b 213 L059 54 427 par 027 44 235 V361 R530 K0 54 741 VEM C8 38 245 or 302 O20 EXELON 1.5 mg