ethyl 2-((4aS,9bR)-6-methoxy-2,4,4a,9b-tetrahydro-1H-spiro[dibenzo[b,d]furan-3,2'-[1,3]dioxolane]-9b-yl)acetate

2-((4aS,9bR)-6-methoxy-2,4,4a,9b-tetrahydro-1H-spiro[dibenzo[b,d]furan-3,2'-[1,3]dioxolane]-9b-yl)-N-methylacetamide

(3S,4R)-1-allyl-4-methyl-4'-methylene-1'-propyl-1',4'-dihydro-2'H-spiro[pyrrolidine-3,3'-quinoline]-2,2'-dione

(4aS,8aR)-3-methoxy-11-methyl-4a,5,11,12-tetrahydro-6H-benzo[2,3]benzofuro[4,3-cd]azepine-6,10(9H)-dione

ethyl 2-(7-(2-iodo-6-methoxyphenoxy)-1,4-dioxaspiro[4.5]decan-8-ylidene)acetate