海胆色素 A

7-ethyl-5,6,8-trimethoxyquinoline

N-(3-Ethyl-2,4,5-trimethoxy-phenyl)-3-oxo-butyramide

3-ethyl-2,2,5,8-tetrahydroxy-3-O-(6-ethyl-5,8-dihydroxy-1,4-naphthoquinon-7-yloxy)-2,3-dihydro-1,4-naphthoquinone

3-ethyl-1,2,4-trimethoxy-5-nitrobenzene