115-22-0
3-羟基-3-甲基-2-丁酮
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74-86-2
乙炔
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5923-14-8
2,3,6,7-tetramethyloct-4-yne-2,3,6,7-tetrol
53722-07-9
3,4-二甲基-1-丙炔-3,4-二醇