Citation

Ahluwalia VK , Prakash C Singh RP (1979) A Convenient Synthesis of Psoralen Derivatives Oxygenated in the Pyrone Ring: 4-Methoxypsoralen and 3,4-Dimethoxypsoralen (Halkendin). Australian Journal of Chemistry 32, 1361-1367.

https://doi.org/10.1071/CH9791361