(3S,4S)-4-(dibenzylamino)-5-methylhex-1-yn-3-ol

(S)-4-(dibenzylamino)-5-methyl-1-(trimethylsilyl)hex-1-yn-3-one

(3S,4R,7R,8S)-3,8-bis(dibenzylamino)-2,9-dimethyldecane-4,7-diol

(3S,4R,7S,8R)-3,8-bis(dibenzylamino)-2,9-dimethyldec-5-yne-4,7-diol