《北史·列传·卷八十七》
六月，高赹、杨素进击玷厥，大败玷厥兵，任命染干为意利珍豆启人可汗，汉语的意思就是智慧勇健。
六月，高颎、杨素击玷厥，大破之。拜染干为意利珍豆启人可汗，华言意智健也。
In June, Gao Ju and Yang Su attacked Dianjue, defeating Dianjue's troops and appointing Ran Gan as the Yilizhen Douqiren Qaghan, which in Han Chinese means "Intelligent and Brave".