1-Propanamine, N,N-dimethyl-3-((2-(4-methylphenyl)-5H-(1)benzopyrano(2,3-d)pyrimidin-4-yl)thio)- 4-(3-Dimethylaminopropylthio)-2-(4-methylphenyl)-5H(1)benzopyrano(2,3-d)pyrimidine 97146-17-3