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Two new naphthoquinones, nocardione A and B isolated from strain P-A0248, were synthesized from naphtho[1,2-b]furan 1. The furan 1 was prepared from 5-methoxyl-1-naphthol.
Two new naphthoquinones, nocardione A and B isolated from strain P-A0248, were synthesized from naphtho [1,2-b] furan 1. The furan 1 was prepared from 5-methoxyl-1-naphthol.