Sulfonamide
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China Supply P-Toluene Sulfonamide (PTSA) karo rega apik
Jeneng Kimia Sulfonamide Nomer CAS 161326-34-7 Penampilan bubuk putih MW 172.2 MF C6H8N2O2S Packing 25KG / Drum, utawa minangka syarat Customized Sertifikat ISO9001 Kode HS 2935009090 Kontak senton4@hebeisenton.com Sampel gratis kasedhiya.