143739-21-3 | Carbamic acid, [1-(4-methyl-2,6,7-trioxabicyclo[2.2.2]oct-1-yl)-2-oxoethyl]-, 9H-fluoren-9-ylmethyl ester, (S)- | C23H23NO6 |
143739-58-6 | 4H-1,3,6,2-Dioxazaphosphocine, tetrahydro-4,4,8,8-tetramethyl-6-(trifluoroacetyl)-, 2-oxide | C10H17F3NO4P |