827338-10-3 2-Furancarboxamide,5-[(1,2,3,4-tetrahydro-1,1,2,4,4,7-hexamethyl-1,4-disilanaphthalen-6-yl)oxy]-N-(2,4,6-trimethoxyphenyl)- 827338-11-4 2-Furancarboxamide,5-[(1,2,3,4-tetrahydro-1,1,2,4,4,7-hexamethyl-1,4-disilanaphthalen-6-yl)oxy]-N-(2,4,6-trimethoxy-5-pyrimidinyl)-