2,3-DIBROMO-3-PHENYLPROPIOPHENONE

2,3-DICHLORO-6-METHYLQUINOXALINE

2,3-DICHLOROBENZALDOXIME

2,3-DICHLORO-THIOBENZAMIDE

2,3-Dichlorobenzenesulfonyl chloride

1-Bromo-2,3-dichlorobenzene

2',3'-DIDEOXY-2',3'-DIDEHYDROADENOSINE

2',3'-DIDEOXYCYTIDINE 5'-TRIPHOSPHATE LITHIUM SALT