@article{
  author = {Opiyo, Sylvia Awino},
  title = {A review of 13C NMR spectra of drimane sesquiterpenes},
  journal = {Trends in Phytochemical Research},
  year = {2019},
  volume = {3},
  number = {3},
  pages = {147-180},
  doi = {}
}