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 HP 1 398 MYLAN 3075 M A30 253 or 306 A-P 1 LL 722 ZE 72 SLC 224 L554 N 350 WW 458 logo and 1000-20 W 903 EGLT 15 RH logo and 831 54 177 555 K3 Lofibra 67 mg MP 178 F NM1 367 P P N 204 C369 BP 630 A25 GG 580 Tiazac 420 SZ246 0.75 832 125 44 218 93 782 2 57 MYLAN 162