@article{19911035, title={Synthesis of Fluorinated Retinal : A C6-C7 s-trans Fixed Retinal Containing a Trifluoromethyl Group at the Terminal Position of the Conjugated System}, author={Yuji HANZAWA and Makoto SUZUKI and Yoshiro KOBAYASHI and Takeo TAGUCHI}, journal={CHEMICAL & PHARMACEUTICAL BULLETIN}, volume={39}, number={4}, pages={1035-1037}, year={1991}, doi={10.1248/cpb.39.1035} }