chloro,fluorophthalazine,phthalazine
Phthalazine
75090-03-81,6-Phthalazinedicarboxylic acid,3-(3-fluorophenyl)-3,4-dihydro-7-methyl-4-oxo-, 6-ethyl ester
75090-16-31,6-Phthalazinedicarboxylic acid,3,4-dihydro-7-methyl-3-(4-methylphenyl)-4-oxo-, 6-ethyl ester