tert-butyl 7-formyl-4,4-dimethyl-1,2,3,4-tetrahydroquinoline-1-carboxylate
tert-butyl 7-formyl-4,4-dimethyl-1,2,3,4-tetrahydroquinoline-1-carboxylate ·
tert-butyl 7-formyl-4,4-dimethyl-1,2,3,4-tetrahydroquinoline-1-carboxylate ·