Citations for: Hiraga K. Synthesis of Racemic and Optically Active 13β-Ethylgonanes. Chemical & Pharmaceutical Bulletin. 1965; 13:1289-&.

Entry Type
Name
Value
Parent Entry
Impurities Data Field
102-104° C, 150-160° C in aqueous methanol
13-Ethyl-3-methoxy-18,19-dinor-17α-pregna-1,3,5(10)-trien-20-yn-17-ol (Impurity)