ethynyl,nitro,furan
Furan
97975-01-43-(2-deoxy-alpha-D-erythro-pentofuranosyl)-3,5,6,7a-tetrahydrofuro[2,3-d]pyrimidin-2(1H)-one
90523-38-9(1aR,4E,8E,11S,11aR,14aS,14bR)-2,3,6,7,10,11,11a,12,14a,14b-Decahydro-11-hydroxy-1a,5,9-trimethyl-12-methyleneoxireno[13,14]cyclotetradeca[1,2-b]furan-13(1aH)-one