%SUBJECT: File CHEMF6.TEX \vbox{ \centerline{ \structure{\nopositioncheck\atom{H}\esingle\wmostaromatatom{C} \nnesingle\nmostaromatatom{C} \side{\nnwsingle\atom{C}\side{\nneabove\atom{H}} \side{\nebelow\atom{H}}\wsingle\atom{H}} \esingle\atom{C}\side{\nnesingle\atom{H}}\ssesingle\emostaromatatom{C} \side{\esingle\atom{S}\esingle\wmostaromatatom{C}\nnesingle\atom{C} \side{\nnwsingle\atom{H}}\esingle\nmostaromatatom{C}\side{\nnesingle \atom{H}}\ssesingle\emostaromatatom{C}\side{\esingle\atom{C} \side{\sseabove\atom{H}}\side{\sebelow\atom{H}}\nnesingle\atom{H}} \sswsingle\smostaromatatom{C}\side{\ssesingle\atom{H}}\wsingle \atom{C}\side{\sswsingle\atom{H}}\nnwsingle\phantatom{C}} \sswsingle\atom{C}\side{\ssesingle\atom{H}}\wsingle \smostaromatatom{C}\side{\sswsingle\atom{H}}\nnwsingle\phantatom{C}} } \vskip 1truecm \centerline{\it Fig.~6: 3,4'-Ditolylsulfide} }