4,4,5,5-Tetramethyl-2-(thiophen-2-yl)imidazolidine-1,3-diol
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T11993 4,4,5,5-Tetramethyl-2-(thiophen-2-yl)imidazolidine-1,3-diol ≥97% 【psaitong】 |
4-氨基-N-丁基-N-甲基苯磺酰胺
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A12681 4-氨基-N-丁基-N-甲基苯磺酰胺 ≥95% 【psaitong】 |