4.
Name: 2H-1-Benzopyran-5-carboxylic acid,3,4-dihydro-6,7-dihydroxy-3-[(1Z)-1- hydroxy-3-oxo-1-butenyl]-4-oxo-
CAS: 98599-90-7



5.
Name: Ethanethiol, 2,2-(1,2-ethanediylbis(oxy))bis-, polymer with 1,1-(diisocyanatomethylene)bis(benzene), ethenyldiethoxymethylsilane, alpha-hydro-omega-hydroxypoly(oxy(methyl-1,2-ethanediyl)), alpha,alpha,alpha-1,2,3-propanetriyltris(omega-hydroxypoly(oxy(methyl-1,2-ethanediyl))) and 2-propen-1-ol
CAS: 66564-74-7


