1,3-Bis(isocyanatomethyl)cyclohexane, cis- 、 trans-1,3-Bis(isocyanatomethyl)cyclohexane 、 cis-1,4-bis(isocyanatomethyl)cyclohexane 以33% trans-1,4-bis(isocyanatomethyl)cyclohexane is produced by The Dow Chemical Company的产率得到trans-1,4-bis(isocyanatomethyl)cyclohexane