ethyl 2-(4-chlorophenoxy)-3-hydroxyhexanoate

1,4,8-trihydroxy-2-(3-oxohexyl)anthracene-9,10-dione

1-hydroxy-4,8-dimethoxy-2-(3-oxohexyl)anthracene-9,10-dione

2-methyl-6-(1-nitrosopropylidene)-1H-pyrimidine

6-(1-nitrosopropylidene)-2-phenyl-1H-pyrimidine