CAS Number: 79510-48-8
Chemical Name: Metsulfuron
Molecular Formula: C13H13N5O6S
Molecular Weight: 367.34

CAS Number: 74223-64-6
Chemical Name: Metsulfuron-methyl
Molecular Formula: C14H15N5O6S
Molecular Weight: 381.36

CAS Number: 879554-48-0
Chemical Name: O-Demethyl Tribenuron-methyl
Molecular Formula: C14H15N5O6S
Molecular Weight: 381.36