@misc{indiciae5580d8c24971, title = {Cassaine analogs. I. Intermediate hydrophenanthrones.}, author = {S J Daum and P E Shaw and R L Clarke}, year = {1967}, doi = {10.1021/jo01280a030}, url = {https://pubmed.ncbi.nlm.nih.gov/6041426/}, note = {Source identifier: 6041426} }