18921-73-8 Aspartic acid, N-[p-[[(2,4-diamino-5-chloro-6-quinazolinyl)methyl]amino]benzoyl]-, L- Chlorasquin L-Aspartic acid, N-[4-[[(2,4-diamino-5-chloro-6-quinazolinyl)methyl]amino]benzoyl]- N-[p-[[(2,4-Diamino-5-chloro-6-quinazolinyl)methyl]amino]benzoyl]-L-aspartic acid NSC529861