Biosafety classification is based on U.S. Public Health Service Guidelines, it is the responsibility of the customer to ensure that their facilities comply with biosafety regulations for their own country.
Ayer WA, Taylor DR. Metabolites of bird's nest-fungi. Part 5. The isolation of 1-hydroxy-6-methyl-8-hydroxymethylxanthone, a new xanthone, from Cyathus intermedius, synthesis via photoenolisation. Can. J. Chem. 54: 1703-1707, 1976.
