2-氧代-2-(4-氧代四氢-2H-吡喃-3-基)乙酸乙酯

N-methyl-N-[2-(4-nitrophenyl)ethyl]oxan-4-amine

N-[2-(4-aminophenyl)ethyl]-N-methyloxan-4-amine

1-(oxan-4-yl)piperidin-4-amine,dihydrochloride

2-amino-5,7-dihydro-4H-thieno[2,3-c]pyran-3-carboxamide