86-551-62376776
Room 1509-1514, Zheshang Business Building B, 103 Science Avenue, High Tech Zone, Hefei, Anhui, China
N-Ethyl-O.P-Toluene Sulfonamide benzen sulfonamide,US $ 2.5 - 4.5 / Kilogram, 8047-99-2, N-E-O/PTSA, Sulfonamide, C9H13NO2S.Source from Anhui I-Sourcing International Co., Ltd. on Waimaotong.com.