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 LAMICTAL XR 200 logo 152 M 572 216 E150 667 I54 NEORAL 100mg EP 905 878 BUMEX 0.5 K 27 M B8 M 4 AMB 10 TL 707 86 M PD6 logo and 256 G 253 CTI 113 logo and 6451 HP 66 MP 112 C17 APR 275 MYLAN 5427 4007 logo and LANNETT 93 3123 cor 130 TAP logo and PCE 876 252 or 302 C 35 RP125 G80 P212