Citation

Davis M , Pettett M , Scanlon DB Ferrito V (1977) Synthesis of some benzopyran derivatives related to the seed germination stimulant of Orobanche crenata. I. 3,3a,4,9b-Tetrahydro-2H-furo[3,2-c][l]benzopyrans. Australian Journal of Chemistry 30, 2289-2292.

https://doi.org/10.1071/CH9772289