342814-05-5 3-[[(4-ethenylphenyl)methyl]thio]propanoicacid-1,1'-[2,2-bis[[3-[[(4-ethenylphenyl)methyl]thio]-1-oxopropoxy]methyl]-1,3-propanediyl]ester 3-[[(4-ethenylphenyl)methyl]thio]propanoicacid-1,1'-[2,2-bis[[3-[[(4-ethenylphenyl)methyl]thio]-1-oxopropoxy]methyl]-1,3-propanediyl]ester