xan.thenen.(名词)A yellow crystalline organic compound, CH2(C 'H 4) 2O, that is soluble in ether and is used as a fungicide and in organic synthesis. 三环二苯并吡喃:一种黄色结晶的有机化合物,CH2(C 'H 4) 2O,溶于乙醚中,用作杀菌剂并用在有机合成剂中