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 Endo 602 MOD 200 203 120 mg 300 XL 745 12.5/1000 N 81 Q50 AN 543 DARAPRIM A3A K 65 HZT 106 logo and 5711 44-518 U-S LZ2 221 SPD417 MYLAN 183 A 17 U01 L 36 SR 375 M D10 GS UY2 425 E4416 F200 54 931 MYLAN G2 CTI 116 MP 89 MX 24 SEARLE 1461 B 1 TYLENOL 160 Shire b 776 MB-111 DAN 20