苯磺酸甲酯

1-isocyanato-1-phenyl-2,2-dimethylpropyl 4-bromobenzoate

(+/-)-3,3-dimethyl-2-phenylbutanal

2,2-dimethyl-1-phenylpropane-1-thione

(2,2-dimethyl-1-phenyl)propylidenimine