参考文献

Monsanto Chemical Co. Patent: US2673870 , 1954 ; C. A., 1954 , p. 7932 Full Text Show Details Monsanto Chemical Co. Patent: US2673870 , 1954 ; C., 1955 , p. 6183 Full Text Show Details Monsanto Chemical Co. Patent: GB706288 , 1954 ; C., 1954 , p. 8219