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 93 3129 DX 31 6 EP 139 5971 V 370 cor 136 91 logo and 571 CZ 25 M GP2 TL508 par 259 753 MYLAN DE 10 logo and 100 54 737 H 3 Lilly 3228 Triax M0100 TEVA E 141 PFD 267 mg AAT 051 691 Z 3927 44-226 alg MX2 44-470 APO 500 RI6 PD 158 LILLY 4112 R333 M455 BVF 120 C54 A-P 1 Nitroglycerin 0.4 mg/hr