Insights into the structural characteristics of four thermal dissolution extracts of a subbituminous coal by using higher-energy collisional dissociation. - Wang, Chu-Fan; Fan, Xing; Dong, Xueming; Bai, Hong-Cun; Kuznetsov, Peter N.; Liang, Peng; Liu, Zhen-Xue; Wei, Xian-Yong (Fuel (0016-2361), 2020)