(S)-4-苯基-1,3-噻唑烷-2-硫酮

2,2,5-trimethylhexan-3-one

3-methyl-1-thiophen-2-ylbutan-1-one

(S)-2-methyl-1-(4-phenyl-2-thioxooxazolidin-3-yl)propan-1-one

(R)-4-苯基-1,3-噁唑啉-2-硫酮