| 56581-32-9 | Propanenitrile, 3-[[4-[(6-chloro-2-benzothiazolyl)azo]phenyl](2-hydroxyethyl)amino]- | C18H16ClN5OS |
| 56581-37-4 | Naphthalenecarboxylic acid, calcium salt | C11H8O2.1/2Ca |
| 56581-60-3 | Phosphoric acid, hafnium(4+) salt (2:1), monohydrate | H3O4P.1/2H2O.1/2Hf |