Collect. Czech. Chem. Commun.
1964, 29, 2479-2483
https://doi.org/10.1135/cccc19642479
A mass spectrometric study of protopine alkaloids
L. Dolejš, V. Hanuš and J. Slavík
Collect. Czech. Chem. Commun.
1964, 29, 2479-2483
https://doi.org/10.1135/cccc19642479