tert-Butyl 4-(4-(trifluoromethyl)benzoyl)piperidine-1-carbox

铬粉, Chromium powder

铬片, Chromium pieces

铬溅射靶, Chromium sputtering target

钴粉, Cobalt powder

钴柱, Cobalt slug

钴箔, Cobalt foil

钴箔, Cobalt foil

钴丝, Cobalt wire

钴棒, Cobalt rod

铜粉, Copper powder