"wikipedia,en,4128519". "Source: Freebase - The World's database". . "9575"^^. . . . . . "977e55ab006b4d9aca462fe667dc5e7ecd34d6c1f70aed80d7c675669a8b1d06". "Altretamine chemical structure"@en. . . . . "640.0"^^. "358.0"^^. .