Pill Identification by Imprints: 31 90 Home Pill Identification by Imprints: 31 90 2 results METAXALONE 800 MG TABLET Side 1: 31 90 Color: White Side 2: WPI Shape: Oblong METAXALONE 800 MG TABLET Side 1: 31 90 Color: White Side 2: WPI Shape: Oblong Other Popular Drug Imprint L or LU H 104 Z 12 MYLAN TE 2 0.5 M112 93 657 C 269 54 731 IDT M100 AN 755 WAR 4 Z 4237 037 1158 93 7372 954 60 mg l81 Nitroglycerin 0.4 mg/hr G 32 A23 CL 5 CPC 1325 ADDERALL XR cpc43 832 200 921 ZGNX 40 mg HP Syntho A 48 ML 63 4 0 54 702 logo and 500-40 211 N 740 PreQue Nitro-Dur 0.6 mg/hr