2-(3,3,3',3'-tetrakis(trifluoromethyl)-1,3,3'-trihydro-1l⁵-1,1'-spirobi[benzo[c][1,2]oxaphosphol]-1-yl)acetonitrile

苯亚磺酸钠

N-phenylmethylene 2-thiophenesulfonamide

(三苯基膦)乙腈

N-benzylidenenaphthalene-1-sulfonamide