Steroid demethylation inhibitor. Prepn: G. Van Reet et al., DE 2551660; eidem, US 4079062 (1975, 1978 both to Janssen). Wood fungicide for mushroom cultivation: L. Van Leemput et al., Meded. Fac. Landbouwwet. Rijksuniv. Gent 52, 703 (1987); A. Eicker, E. Strydom, Bot. Bull. Acad. Sinica 31, 51 (1990). Use as a preservative for composite wood products: E. L. Schmidt, R. O. Gertjejansen, Forest Prod. J. 38, 19 (1988); A. Jeihooni et al., Wood Fiber Sci. 26, 178 (1994).