5520-55-8 | 1-(3,4-dichlorophenyl)-3-[3-(1-methylethoxy)propyl]urea | C13H17 Cl2 N3 O S . Cl H |
5520-77-4 | 5,9-dihydroxy-1,5,7,9-tetramethyl-1,4a,5,8a-tetrahydro-1,4-ethanonaphthalene-6,10(4H)-dione | C16H20 O4 |
5520-25-2 | N,N-bis(2-chloroethyl)-3-methyl-4-nitrosoaniline | C11H14 Cl2 N2 O |