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Chemical profiling of a Streptomyces griseus strain isolated from an old building with moisture damage led to the discovery of two novel phenoxazinones, chandrananimycin D and pitucamycin , along with the known grixazone B. Pitucamycin represents an unprecedented hybrid molecule composed of a phenoxazinone and an enaminomycin-like epoxyquinone moiety.
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Gomes et al. (2010) studied this question.
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