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 AP043 S429 500 mg B 544 TV 1003 GG 737 125 IP 46 par 753 93 320 BNP 7600 X X ELP 20 ORAP 2 ANAFRANIL 50 mg 10 00 FL 1 EP 119 292 MYLAN 1259 253 140 logo and 352 2172 TYLENOL 3 CODEINE A24 219 209 Z49 44 531 M 530 212 HP 63 logo PAMELOR 75 mg WPI 3508 MYLAN 7155 T 10 B 543 54 741 T200 1507