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标化合物C18H17N2O3PS是O-芳基苯基硫代膦酰肼与马来酸酐加成后的关环产物,其晶体属于单斜晶系,空间群P21/c/,a=10.726(3),b=10.248(2),c=17.454(5)A,β=104.01(2)°,Mr=372.37,V=1861.4A^3,Dc=1.33g/cm^3,Z=4,μ(CuKa)=24.68cm^-1,F(000)=776,R=0.070,Rw=0.067。结