Alkaloid B(Atalantia)

N-Methylatalaphyllinine

5-HYDROXY-N-METHYLSEVERIFOLINE

Alkaloid B from Atalantia ceylanica

3,12-Dihydro-6,11-dihydroxy-3,3,12-trimethyl-5-(3-methyl-2-butenyl)-7H-pyrano[2,3-c]acridin-7-one