C34DMC5=-2+C5MC6=-2 C34DMC5=-2+C5MC6=-2 C13DMCYC5 T13DMCYC5*+2MC6=-1+3 T12DMCYC5*+T34DMC5=- C3MC6=-3 CYC6= # TC7=-3 2,5-NORBORNADIENE(C7 NC7 CC7=-3,C3MC6=-2,2MC6 T3MC6=-3 TC7=-2 3EC5=-2 T3MC6=-2 244TMC5=-1# 2MCYC6= 3ECYC5= C12DMCYC5 MCYC6 123TMCYC5= 244TMC5=-2,C8== 25DMC6*+ECYC5 24DMC6,223TMC5 3MCYC6= 4MCYC6=,14C7== C8== CTC124TMCYC5 C8=(1) 34DMC6=-1 C8=(2) 12DMCYC5=,234TMC5 TOL*,233TMC5 C4MC7=-2 2MC7=-3 23DMC6*+C8= 1MCYC6=*+2M3EC5 .注# ) # # , 。hcbbs