World Customs Organization Harmonized System Committee Classification Rulings Session 29
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Aziridine, 1,1'-(methylphosphinothioylidene)bis-
Aziridine, 1,1'-(ethylphosphinothioylidene)bis-
Aziridine, 1,1'-[(1-methylethyl)phosphinylidene]bis-
Aziridine, 1,1'-(ethylphosphinylidene)bis-
Aziridine, 1,1'-(propylphosphinylidene)bis-
Aziridine, 1,1'-(methylphosphinylidene)bis[2-methyl-
Phosphonothioic acid, ethyl-, O-(1,6-dihydro-5-methoxy- 1-methyl-6-oxo-4-pyridazinyl) O-ethyl ester
Aziridine, 1,1'-(methylphosphinylidene)bis-
1H-Benzotriazole, 1,1'- [(methylphosphinylidene)bis(oxy)]bis-
Source : World Customs Organization Harmonized System Committee Classification Rulings Session 29