Disclosed is a 1-heterodiene derivative represented by the formula (2)； or, a salt thereof. In formula (2), W represents a hydrogen atom or the like； A, an oxygen atom or the like； R, a C alkyl group or the like that is unsubstituted or that has a substituted group； m, any integer between 0-10； n, any integer between 1-4； X, an oxygen atom or the like； R, a C alkyl group or the like that is unsubstituted or that has a substituted group； p, any integer between 0-5； R, a C alkyl group or the like that is unsubstituted or that has a substituted group； r, any integer between 0-5； and in formula (2) an E-body, a Z-body, or a mixture thereof is expressed by a carbon-carbon double stereo bond.
