epoxypentadeca,trienimino,naphtho,furan,rifamycin,deriv
Furan
65580-16-7(E)-2-Methyl-2-butenoic acid (3aS)-3b,4aβ,5,5aα,6,7,8aβ,8bα-octahydro-1-(hydroxymethyl)-3bβ-methyl-6-methylene-5,7-dioxooxireno[7,8]azuleno[4,5-b]furan-3aα(3H)-yl ester
68609-78-9Isocyanic acid,polymethylenepolyphenylene ester, polymer with a-hydro-w-hydroxypoly[oxy(methyl-1,2-ethanediyl)] ether with b-D-fructofuranosyl a-D-glucopyranoside and a,a',a''-1,2,3-propanetriyltris[w-hydroxypoly[oxy(methyl-1,2-ethanediyl)]], isocyanate-t