bis(2-butylsulfanylethyl)-bis[2-(3-trimethoxysilylpropylsulfanyl)ethyl]silane;N-chloro-2-[2-[2-[2-(chloroamino)ethylsulfanyl]ethyl-bis[2-[2-(imino-lambda3-chloranyl)ethylsulfanyl]ethyl]silyl]ethylsulfanyl]ethanamine;2-[2-[2-(1,2-dicarboxyethylsulfanyl)ethyl-bis[2-(1,2-diformyloxyethylsulfanyl)ethyl]silyl]ethylsulfanyl]butanedioic acid;methyl 2-[2-[2-(2-methoxy-2-oxoethyl)sulfanylethyl-bis[2-(2-oxopropylsulfanyl)ethyl]silyl]ethylsulfanyl]acetate;3-[2-[tris[2-(2,3-dihydroxypropylsulfanyl)ethyl]silyl]ethylsulfanyl]propane-1,2-diol