and master conformation of alkanes, isomerism, cis-trans isomerism and enantiomorphism;
烷烃构象、同分异构、顺反异构和对映异构现象;
and master conformation of alkanes, isomerism, cis-trans isomerism and enantiomorphism;
烷烃构象、同分异构、顺反异构和对映异构现象;
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