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大戟烷[类]
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euphane
大戟烷类
一类甾烷型四环三萜。特征为在其6/6/6/5四环体系上5个甲基中的2个处于4位,另外3个甲基分别处于10β、13α和14β位,且20位构型为R。
Chemistry
>有机化学>天然产物及药物>释义
euphane
大戟烷[类]
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unconditional stability
unconditional stability criterion
unconditional summability
unconditioned
unconditioned reflex
unconditioned response
unconditioned sound change
unconditioned stimulus
UN conference on Environment and Development in Rio de Janeiro
unconfined compression strength
unconformity
unconnected
unconnected domain
unconnected graph
unconnected set
unconnected space
unconscious
unconscious criminal motivation
unconscious muttering
unconscious perception
unconstitutionality
unconstrained
unconstrained minimization
unconstrained optimization
unconstrained optimization method
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