1-Cyclopentylidene-5,5-dimethyl-2,3-hexadiene
1-Cyclopentylidene-5,5-dimethyl-2,3-hexadiene ??
??
1-Cyclopentylidene-5,5-dimethyl-2,3-hexadiene C??? ??, ??, ??
1-Cyclopentylidene-5,5-dimethyl-2,3-hexadiene ?? ?? ? ???
???
?? ??
1-Cyclopentylidene-5,5-dimethyl-2,3-hexadiene ?? ??
???( 0)?? ??