Collect. Czech. Chem. Commun.
1970, 35, 3280-3286
https://doi.org/10.1135/cccc19703280
The preparation of some tricyclic analogs of camptothecin
M. Shamma and L. Novák
Collect. Czech. Chem. Commun.
1970, 35, 3280-3286
https://doi.org/10.1135/cccc19703280