64007-71-2 3,5-Diphospha-2,4,6-trisilaheptane,2,2,4,4,6,6-hexamethyl-3,5-bis(trimethylsilyl)- 488791-49-7 3,5,19-Trioxa-4,20-disiladocos-8-en-16-one,14-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-18-(2-hydroxyethyl)-2,2,7,9,13,15,17,17,20,20,21,21-dodecamethyl-6-[(1E)-1-methyl-2-(2-methyl-4-thiazolyl)ethenyl]-4,4-diphenyl-, (6S,7S,8Z,13S,14S,15R,18S)-