Chemical structure of B2 and B'3, elucidated from their IR, MS and NMR spectroscopic data, respectively were 2-chloro-1 - (4-hydroxyphenyl) ethanone (B2) and N - (tert-butyl) - 4-hydroxybenzamide (B'3).
Cấu trúc của B2 được xác định là 2 - cloro-1 - (4 - hydroxyphenyl) ethanon và B ’ 3 là N-(tert-butyl)-4-hydroxybenzamid.