product is identical with the substance resulting from nitration of triphenylethylene itself.(b) Without solvent: The carbinol V (15 g.) was added in small portions to fuming nitric acid (75 cc.) with stirring. A vio1eI; lt reaction took place, which raised the temperature to 70. The reaction was completed by heating the mixture to 80" for one and one-half hours. Upon standing for several days, the reaction product crystallized out. It was filtered off, washed ...