1-(2-hydroxy-5-methoxyphenyl)-2-phenylethanone

1-(5-hydroxy-2-methoxyphenyl)-2-phenylethan-1-one

Phenyl-acetic acid 4-methoxy-3-phenylacetyl-phenyl ester

camptothecin-7-aldehyde

(S)-(4-ethyl-4-hydroxy-3,14-dioxo-3,4,12,14-tetrahydro-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinolin-11-yl)methyl 2-phenylacetate