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 RE 79 MRK POLY 212 BP 632 MYLAN 6727 CB8 DROXIA 6335 2231 WP 5901 logo and 4365 517 SANKYO C01 HP 17 SV 572 GG 518 375/20 PV40 4825 B or 0832 logo and A4 138 EP 130 853 HLA 10 75 50 logo and 4359 T 191 EK 25 M S24 M N3 GILEAD 4331 logo and 2891 WPI 844 m 156 TL516 M33 G 241 ZF 24 WAR 10 93