化工中间体企业黄页

3-溴***-4-溴***

tert-butyl 4-cyano-4-fluoropiperidine-1-carboxylate

cis-***-[2-(2,4-二***)-2-(1H-1,2,4-三***-1-基***)-1,3-二***-4-基]***

1-***-4-***-1H-***-5-***

N-碘***二***