参考文献:
BOEHRINGER INGELHEIM INTERNATIONAL GMBH BRENNEMAN, Jehrod Burnett GINN, John LOWE, Michael D. SARKO, Christopher Ronald TASBER, Edward S. ZHANG, Zhonghua Patent: US4/7369 A, 4 Location in patent: Paragraph 98 99 34
参考文献:
BOEHRINGER INGELHEIM INTERNATIONAL GMBH BRENNEMAN, Jehrod Burnett GINN, John LOWE, Michael D. SARKO, Christopher Ronald TASBER, Edward S. ZHANG, Zhonghua Patent: US4/7369 A, 4