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process for the production of ammonium salts of breastfeeding coughing - 2, 6 - di - tertiaer butyl naphthalinsulfonsaeure - (3) and 2, 6 - di - tertiaer butyl naphthalindisulfonsaeure - (4, 5)
process for the production of ammonium salts of breastfeeding coughing - 2, 6 - di - tertiaer butyl naphthalinsulfonsaeure - (3) and 2, 6 - di - tertiaer butyl naphthalindisulfonsaeure - (4, 5)
