2H-Oxireno(c)(1)benzopyran,1a,7b-dihydro-5-methoxy-2,2-dimethyl;3,4-epoxy-7-methoxy-2,2-dimethyl-chroman;precocene I epoxide;3,4-dihydro-3,4-epoxy-7-methoxy-2,2-dimethyl-2H-benzo<b>pyran;3,4-epoxyprecocene-I;5-methoxy-2,2-dimethyl-1a,7b-dihydro-2H-oxireno[c]chromene;
Jennings, Richard C.; Ottridge, Anthony P.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1984 , # 8 p. 1733 - 1738