半岛bd体育手机客户端 性质
Sigma-Aldrich
CoorsTMhigh-alumina crucible
CoorsTM高铝坩埚
Copper
Cap for TunairTMshake flask
CARBOBENZYLOXY-L-NORVALYL-L-TRYPTOPHAN
CARBOBENZYLOXY-L-THREONYL-L-SERINE METHYL ESTER
CARBOBENZYLOXY-L-TYROSYL-L-THREONINAMIDE