CAS NO:55247-73-9; 2-g) (1)benzopyran-7-one, (-)--furo( mixed with n-vinylpyrrolidone (14:86)

CAS:

55247-73-9

英文名称:

2-g) (1)benzopyran-7-one, (-)--furo( mixed with n-vinylpyrrolidone (14:86)

3-methyl-crotonic aci ester with2,3-dihydro-2-(1-hydroxy-1-methylethyl)-7h-furo(3,2-g)(1)benzopyran-7-one, (-)-crotonic aci mixed with n-vinylpyrrolidone (14:86)