2H-1,5-BENZOXAZOCIN-3-OL, 3,4-DIHYDRO-6-STYRYL-, HEMIHYDRATE 2H-1,5-Benzoxazocine, 3,4-dihydro-3-hydroxy-6-styryl-, hemihydrate 3,4-Dihydro-3-hydroxy-6-styryl-1,5-benzoxazocine hemihydrate 67031-44-1