(3R,5S,6R,7S)-1,1-dibromo-3,5,7-trimethyl-6-(triisopropylsilyloxy)non-1-en-4-one

(3R,4S,5R,6R,7S)-1,1-dibromo-3,5,7-trimethyl-6-(triisopropylsilyloxy)non-1-en-4-ol

(3S,4R,5S,7R,8Z,10E,13R,14Z)-9-bromo-3,5,7,13-tetramethyl-4-(triisopropylsilyloxy)-15-(trimethylsilyl)heptadeca-8,10,14-trien-6-one