(+-)-3,4-Dihydro-2,2-dimethyl-4-((2-hydroxypropyl)imino)-7-pentyl-2H-1-benzopyran-5-ol 129783-66-0 2H-1-Benzopyran-5-ol, 3,4-dihydro-2,2-dimethyl-4-((2-hydroxypropyl)imino)-7-pentyl-, (+-)-