NMR and high resolution mass spectral data for the new natural products published in the article titled \"Antiproliferative Cassaine Diterpenoid Amines from the Leaves and Twigs of the Traditional Thai Medicinal Plant Erythrophleum teysmannii\"

NMR and HRMS data for the natural products. Leaves and twigs of the plant E. teysmannii were collected in Thailand in April 1987 under contract for the National Cancer Institute.