上游原料
methyl 4-formylbenzoatebromo(vinyl)magnesiummethyl 4-acryloylbenzoate2,2,5,5-tetramethylhexanedioic aciddiethyl 2,2,5,5-tetramethylhexanedioate6-hydroxy-2,2,5,5-tetramethylcyclohexanone3,3,6,6-tetramethyl-1,2-cyclohexanedione2,3-diaminopropionic acidmethyl 5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-quinoxalinecarboxylate(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-quinoxalinyl)methanol5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-quinoxalinecarbaldehyde1-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-quinoxalinyl)-2-propen-1-ol1-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-quinoxalinyl)-2-propen-1-onemethyl 4-[4-oxo-4-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-quinoxalinyl)butanoyl]benzoatemethyl 4-[4-oxo-4-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-quinoxalinyl)butanoyl]benzoatemethyl 4-[5-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-quinoxalinyl)-1H-pyrrol-2-yl]benzoate
