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US5248692A DC-89 derivatives as anti-tumor agents 失效
DC-89衍生物作为抗肿瘤剂

DC-89 derivatives as anti-tumor agents
摘要:
Novel DC-89 derivatives as shown below have an excellent anti-tumor activity, and thus are useful as anti-tumor agent ##STR1## wherein L represents chlorine or bromine; R represents ##STR2## (wherein n represents an integer of 4 to 7) or ##STR3## (wherein Y represents oxygen or N--M).
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