对映对称聚合
enantiosymmetric polymerization
N－（对位取代苯基）氮杂15冠5
N-(p-substituted phenyl) nitrogen-hetero-15-crown-5
N-对位取代苯基马来酰亚胺
N-p-substituted phenyl maleimide
八度二部复对位
Double counterpoint in the octave
被动负向相对位移
reactive negative-direction relative displacement