1-[(9,10-dioxoanthracen-1-yl)disulfanyl]anthracene-9,10-dione

Cyano-(9,10-dioxo-9,10-dihydro-anthracen-1-ylsulfanyl)-acetic acid ethyl ester

二乙基 2-(对苯甲基)丙二酸酯

(羟基酰胺)-乙酸乙酯

2,6-二氟苯乙酸