(42) Heading 9902.01.99 (relating to monomer used in water treatment). (43) Heading 9902.02.01 (relating to para toluene sulfonic acid). (44) Heading 9902.02.03 (relating to methanesulfonyl chloride). (45) Heading 9902.02.04 (relating to 4-chloro-3,5-dinitrobenzotrifluoride). (46) Heading 9902.02.05 (relating to 2-methyl-5-nitrobenzenesulfonic acid). (47) Heading 9902.02.06 (relating to triflic acid). (48) Heading 9902.02.07 (relating to triflic anhydride). (49) Heading 9902.02.08 (relating to potassium perfluoroethyl cyclohexanesulphonate). (50) Heading 9902.02.09 (relating to 2-octanol solvent). (51) Heading 9902.02.11 (relating to sodium methylate powder). (52) Heading 9902.02.12 (relating to magnesium tert-butoxide). (53) Heading 9902.02.13 (relating to propargyl alcohol). (54) Heading 9902.02.15 (relating to 1,2-pentanediol). (55) Heading 9902.02.16 (relating to 2,5-dimethylhexane-2,5-diol). (56) Heading 9902.02.19 (relating to α-naphthol). (57) Heading 9902.02.21 (relating to 2-phenylphenol). (58) Heading 9902.02.22 (relating to Preventol ON extra preservative). (59) Heading 9902.02.26 (relating to 2,2′-methylene-bis-(4-methyl-6-tert-butylphenol)). (60) Heading 9902.02.27 (relating to 2,2′-(2-methylpropylidene)bis[4,6-dimethyl-phenol]). (61) Heading 9902.02.28 (relating to 4,4′-butylidenebis(3-methyl-6-tert-butylphenol)). (62) Heading 9902.02.29 (relating to 2,5-bis(1,1-dimethylpropyl)-1,4-benzenediol). (63) Heading 9902.02.30 (relating to tris(2′-methyl-4′-hydroxy-5′-t- butylphenyl)butane). (64) Heading 9902.02.32 (relating to ortho nitro phenol). (65) Heading 9902.02.33 (relating to 3-trifluoromethyl-4-nitrophenol). (66) Heading 9902.02.37 (relating to allyl pentaerythritol). (67) Heading 9902.02.38 (relating to t-butyl cumyl peroxide). (68) Heading 9902.02.39 (relating to dicumyl peroxide). (69) Heading 9902.02.40 (relating to cumene hydroperoxide). (70) Heading 9902.02.44 (relating to 3,7-dimethylocta-2,6-dienal). (71) Heading 9902.02.47 (relating to cyclobutanecarboxaldehyde). (72) Heading 9902.02.50