(S)-1-(Diphenylphosphino)-2-amino-3,3-dimethylbutane, min. 97% 货号:S138606 (S)-2-Amino-1-diphenylphosphino-3,3-dimethylbutane, 97+%(S)-1-(Diphenylphosphino)-2-amino-3,3-dimethylbutane, min. 97% / (S)-1-(Diphenylphosphino)-2-amino-3,3-dimethylbutane, min. 97% ≥97%