89990-92-1
2,2,3-trimethylnon-4-yn-3-ol
90677-45-5
3-hydroxy-2,3,4,4-tetramethylpentanoic acid
91157-57-2
5-hydroxy-2,2-dimethylnonan-3-one
91222-65-0
1-diphenylphosphanyl-3,3-dimethylbutan-2-one
918-07-0
3-氯-2,2,3-三甲基丁烷

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