1796 Sept. 265 Mr. Salmon proceeds to give all the derivatives and compounds, with the sub-derivatives of the compounds.
1912 7 Dec. 1618/1 A lucrative export trade exists in this country..in respect of morphine and its sub-derivatives.
2005 P. Stamets 53/1 The majority of the VX surrogate had been metabolized by the mycelium into unstable subderivatives.