Four tetracyclic oxindole alkaloids and a taberpsychine derivative from a Malayan Tabernaemontana

Kuan-Hon LimKooi Mow SimGuan-Huat TanToh-Seok Kam2024-12-262024-12-262009-0610.1016/j.phytochem.2009.06.010https://dspace-cris.utar.edu.my/handle/123456789/8170Four tetracyclic oxindole alkaloids and a taberpsychine derivative from a Malayan Tabernaemontanajournal-article