4-(3,4-Dimethoxy-5-hydroxybenzoyl)morpholine 65133-72-4 Morpholine, 4-(3,4-dimethoxy-5-hydroxybenzoyl)- Morpholine, 4-(3-hydroxy-4,5-dimethoxybenzoyl)- N-(4,5-Dimethoxy-3-hydroxybenzoyl)-tetrahydro-1,4-oxazine