(E)-3-Ethylamino-4-chromanol 2H-1-Benzopyran-4-ol, 3,4-dihydro-3-(ethylamino)-, trans- 2H-1-Benzopyran-4-ol, 3-(ethylamino)-3,4-dihydro-, trans- 4-Chromanol, 3-ethylamino-, (E) 64139-29-3 trans-3-(ethylamino)-3,4-dihydro-2H-1-benzopyran-4-ol