2,3-DIHYDRO-1,4-BENZODIOXIN-6-YLMETHYLAMINE

2,3-DIHYDRO-1,4-BENZODIOXINE-6-CARBONITRILE

2,3-DIHYDRO-1,4-BENZODIOXINE-6-CARBOTHIOAMIDE

2-HYDROXYISONICOTINIC ACID

2,3-DIHYDROXY-6,7-DIMETHYLQUINOXALINE

6-CHLORO-2,3-DIOXO-1,2,3,4-TETRAHYDROQUINOXALINE

1,4-DIHYDRO-6-METHYLQUINOXALINE-2,3-DIONE

1,4-DIHYDRO-6-METHYLQUINOXALINE-2,3-DIONE

2,3-Dihydroxybenzoic acid

2,3-DIMETHOXYBENZALDOXIME

2,3-DIMETHOXYBENZALDOXIME