benzothiophen,nitrofuran,carbohydrazide,furan
Furan
82858-80-8(3R,5S,8R,9S,10S,13R,14S)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-4'-methylideneoctadecahydrospiro[cyclopenta[a]phenanthrene-3,3'-furan]-2'-one
28230-82-2(3ar,4as,5r,7s,7as,8r,9ar)-4a,8-dimethyl-3-methylidene-2-oxododecahydroazuleno[6,5-b]furan-5,7-diyl diacetate
897397-62-52(3H)-Furanone,5,5-bis[[[(1,1-dimethylethyl)diphenylsilyl]oxy]methyl]dihydro-3-(1-hydroxy-2-phenylethyl)-