3,8-dimethyl-2,4,7,9-tetrahydro-[1,3]oxazino[6,5-g][1,3]benzoxazine

2,9-dimethyl-1,2,3,8,9,10-hexahydro-benzo[2,1-e,3,4-e']bis[1,3]oxazine

5,5'-亚甲基二(2-吡啶胺)

N-hydroxy-N-(4-methylphenyl)formamide

1,2,3,4-tetramethyl-5-[(2,3,4,5-tetramethylphenyl)methyl]benzene