1-(p-Nitrophenoxy)-2,8,9-trioxa-5-aza-1-silabicyclo(3.3.3)undecane 1-(p-Nitrophenoxy)silatrane 13644-14-9 2,8,9-Trioxa-5-aza-1-silabicyclo(3.3.3)undecane, 1-(4-nitrophenoxy)- BRN 2306724 Silicic acid (H4SiO4), cyclic nitrilotriethylene p-nitrophenyl ester (8CI)