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 570 MYLAN 6899 C371 SZ 987 BP 301 T M L227 logo and EK KC M20 C 285 V249 logo and 4364 Alavert 921 PREMARIN 0.625 R575 B192 AN 513 HP 10 G 252 ANI 210 P09 BP 607 SCI 500 S592 P 2.5 G41 MYLAN TE 6 ID GG 961 PAR 821 HP 43 713 1329 L61 44 548 DEMSER WPI 839 54 043 I83