2-chlorylsulfanyl-7-nitrodibenzothiophene;dibenzothiophene;dibenzothiophene 5-oxide;methyl (2R)-2-[(7-aminodibenzothiophen-2-yl)sulfonylamino]-3-methylbutanoate;methyl (2R)-2-[(7-iododibenzothiophen-2-yl)sulfonylamino]-3-methylbutanoate;methyl (2R)-3-methyl-2-[(7-nitrodibenzothiophen-2-yl)sulfonylamino]butanoate;methyl (2R)-3-methyl-2-[[7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)dibenzothiophen-2-yl]sulfonylamino]butanoate;3-nitrodibenzothiophene;3-nitrodibenzothiophene 5-oxide;7-nitro-2-(trioxidanylsulfanyl)dibenzothiophene