亚洲色婷婷五月综合在线_无码专区狠狠躁天天躁中国_永久免费毛片久久XX_夜夜夜伊人国产三级片
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1-hydroxy-2-naphthoic acid
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4-chloro-4'Hydroxy Benzophenon
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Product Name:
Red Base KD
Molecular formula:
Appearance:
white powder
Assay:
≥99%
Moisture:
≤0.5%
Melting Point:
153-153.5°C
Usage:
used to synthesize dye intermediate.
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