You may also wish to search for items by Defaye.
Only one matching reference was found.
Chambaz, E.M.; Defaye, G.; Madani, C., Trimethyl silyl ether-enol-trimethyl silyl ether - A new type derivative for the gas phase study of hormonal steroids, Anal. Chem., 1973, 45, 7, 1090-1098, https://doi.org/10.1021/ac60329a035 . [all data]