Wentao Zou

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Ursolic acid (UA) is a natural product which has been shown to possess a wide range of pharmacological activities, in particular those with anticancer activity. In this study, 13 novel ursolic acid derivatives were designed and synthesized in an attempt to further improve compound potency. The structures of the newly synthesized compounds were confirmed(More)
OBJECTIVE To evaluate the effects of intravenous anesthesia in painless esophagoscopy for extraction of foreign bodies in the esophagus. METHOD Forty-two patients underwent painless esophagoscopy, and extracted the foreign bodies in the esophagus. RESULT Thirty-two cases had their foreign bodies extracted smoothly and no serious complication(More)
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