tris(2,6-dimethoxyphenyl)phosphibe sulfide

二苯基甲烷硫酮

methylidene triphenyl phosphorane

(E)-4-Ethyliden-3-methyl-5-thioxo-2-pyrrolidinon

tert-Butyl α-(Triphenylphosphoranylidene)-α-(5-(tert-butoxycarbonyl)-4-(2'-(methoxycarbonyl)ethyl)-3-methylpyrrol-2-yl)acetate