Patent ID: 8569361

Claim:
An aliphatic amino acid biosynthesis inhibitor composition having an antifungal activity, the composition comprising: a compound A, wherein the compound A is 2-oxo-2H-chromen-7-yl propiolate and wherein the compound 2-oxo-2H-chromen-7-yl propiolate is shown by a formula (1) a compound B, wherein the compound B is diethyl-hex-2-en-4-yne-dioate and wherein the compound diethyl-hex-2-en-4-yne-dioate is shown by formula (2) a compound C, wherein the compound C is dinonyl-hex-2-en-4-yne-dioate and wherein the compound dinonyl-hex-2-en-4-yne-dioate is shown by formula (3) and a compound D, wherein the compound D is shown by formula (4)