1049120-53-7
1-(4-methoxyphenyl)-1H-1,2,3-triazole-5-carboxylic acid
494-56-4
[1,3]二氧杂环戊并[4,5-g]苯并吡喃-6-酮
50277-65-1
prop-2-ynoyl chloride
54358-89-3
3‐chloroacryloyl chloride
50559-45-0
3-(2-pyridin-3-ylethynyl)pyridine

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