促销2,5-二甲基-3-(2H)呋喃酮S42690 · CAS 14400-67-0
≥98%
促销≥98%
99.99% metals basis

98%
促销≥99%
97%
促销98%

≥98%
无水级, ≥99.99% metals basis, powder
超干级, ≥99.99% metals basis
超干级, ≥99.99% metals basis(REO)
超干级, ≥99.99% metals basis

≥99%

98%

97%

≥95%
≥98%
促销98%

≥98%
97%
98%
98%

≥98%
98%

95%