4-NITROPHENYLSULFUR PENTAFLUORIDE

1-(4-NITROPHENYL)-2-THIOUREA

4-Nitrophthalic anhydride

4-Octadecyloxybenzoicacid

4-OXO-4-(2-OXO-1,2-DIPHENYLETHOXY)BUTANOIC ACID

4-OXO-4-[3-(TRIFLUOROMETHYL)ANILINO]BUT-2-ENOIC ACID