1-(二氰基亚甲基)-2-氧代苊

1,2-dihydroacenaphthylene-1,2-diol

2,2'-[1,2-bis(diphenylphosphoryl)ethane-1,2-diylidene]diacenaphthylenone

1,1'-(1,2-乙二基)二[二苯基-氧膦]

3-aminophenalen-1-one