TY  - RPRT
TI  - [New estratrienes with different nitrogen functional groups in 3-position].
AU  - M Traut
AU  - E Hecker
PY  - 1968
DO  - 10.1002/jlac.19687150124
UR  - https://pubmed.ncbi.nlm.nih.gov/5685599/
ID  - 5685599
ER  -