Supported by the National Natural Science Foundation of China(No. 30170808) and the Natural Science Foundation of Guang-dong Province(No. 010418).
Conformations of Epristeride( 17-β-N-t-butylcarboxamide-androst-3,5-diene-3-carboxylic acid) and its analogs were analyzed with the random search method and compared by means of the methods for steroid conformers, ...