1-(7-Hydroxy-2,2-dimethyl-chroman-6-yl)-3,3-dimethoxy-2-(4-methoxymethoxy-phenyl)-propan-1-one

6-acetyl-3,4-dihydroxy-7-acetoxy-2,2-dimethyl-chroman

8-(4-hydroxyphenyl)-2,2-dimethyl-3,4,7,8-tetrahydro-2H,6H-benzo[1,2-b:5,4-b']dipyran-6-one

8-[3-(3-methyl-2-butenyl)-4-hydroxyphenyl]-2,2-dimethyl-3,4,7,8-tetrahydro-2H,6H-benzo[1,2-b:5,4-b']dipyran-6-one

Erythrinin-A methyl ether