the Second Tibetan Plateau Scientific Expedition and Research(STEP)Program(2019QZKK0502);the National Natural Science Foundation of China(81874298);the CAS“Light of West China”Program(Pema-Tenzin Puno);the Yunnan Science Fund for Distinguished Young Scholars(2019FJ002)。
Pestaloamides A and B(1 and 2),two novel alkaloids featuring an unprecedented spiro[imidazothiazoledione-alkylidenecyclopentenone]scaffold,were obtained from the cultures of an endophytic fungus Pestalotiopsis sp.HS30...