"propanethial oxide" . . "''syn''-Propanethial-''S''-oxide" . . . . "syn-propanethial-S-oxide" . . "''syn''-propanethial ''S''-oxide" . . . . "syn-Propanethial-S-oxide" . . "Thiopropanal S-oxide" . "1-Sulfinylpropane" . "Syn-propanethial-S-oxide" . . . . "Syn-Propanethial-S-oxide" . . "(Z)-propylidene-\u03BB4-sulfanone" . . . "Syn-Propanethial-S-oxide" . "''syn''-propanethial-''S''-oxide" .