71673-21-7 Butanamide, 2,4-dihydroxy-N-(3-hydroxypropyl)-3,3-dimethyl-, (+/-)-, compd. with (2,5-dioxo-4-imidazolidinyl)urea (1:1) Butanamide, 2,4-dihydroxy-N-(3-hydroxypropyl)-3,3-dimethyl-, compdwith (2,5-dioxo-4-imidazolidinyl)urea (1:1)