补充描述:
(1S,2S)-1,2-bis(3,5-difluorophenyl)ethane-1,2-diamine (CAS 2444429-86-9) is a pharmaceutical-grade fluorinated chiral diamine manufactured directly by Shaoxing Zejun Pharmaceuticals Co.,Ltd at its Shaoxing facility. Samples are not provided, and the product is sold into the Asian market.
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