spiro,benzofuran,azepane,furan
Benzofuran
141358-61-41(3H)-Isobenzofuranone,4-[4-[2-(acetyloxy)-1-methylpropyl]-2,3,4,5-tetrahydro-5-hydroxy[2,3'-bifuran]-4-yl]-,[2R-[2a,4a,4(1S*,2S*),5a]]- Furan
24436-34-8cobalt; [5-(5,6-dimethylbenzimidazol-1-yl)-4-hydroxy-2-(hydroxymethyl)tetrahydrofuran-3-yl] [1-methyl-2-[3-[(4Z,9Z,14Z)-2,13,18-tris(2-amino-2-oxo-ethyl)-7,12,17-tris(3-amino-3-oxo-propyl)-3,5,8,8,13,15,18,19-octamethyl-2,7,12,17-tetrahydrocorrin-3-yl]pro