9,10-dimethyl-9,10-dihydro-9,10-ethanoanthracene-11,11,12,12-tetracarbonitrile

3-(3-oxo-3H-benzo[b]thiophen-2-ylidene)-1,3-dihydro-indol-2-one

丙二腈

1,1,2,2-乙烷四甲腈

二氯化二硫