(Babst) (20 1823, 1824, . . 6 1881, . . .), , , , .

...

" "

" " ("Friedrich Bayer AG"), , .

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(Bansa) (1842, .-  1901, ), , " ʰ", (1887).

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, (BASF, Badische Anilin- und Sodafabrik), .

...

( )

(Bockelmann) ( ) (1870  1945), , , ". .  "; .

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(Wogau) (1849,   1923), , "  ", 1- , - (1899), .

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" ʰ"

"  ʰ" ("Wogau & Co"), .

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(Knoop) ( ) (1821,   1894, ), , .

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, .

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, . . , .

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"ը"

"ը" (Hoechst), ", , ", .

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" . . ʰ"

" . .  ", .-; 1912 - .

...