Antitumor indolopyrrolocarbazole derivatives

Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives

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536 177, 536 187, 536 291, C07H 1702, C07H 1900, C07H 1922

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active

059228601

ABSTRACT:
This invention relates to compounds of the general formula ##STR1## or pharmaceutically salts thereof, wherein R.sup.1 and R.sup.2 each represent an OH group, R.sup.1 is located at the 1- or 2-position, R.sup.2 is located at the 10- or 11-position, R.sup.2 is located at the 11-position when R.sup.1 is located at the 1-position, and R.sup.2 is located at the 10-position when R.sup.1 is located at the 2-position. The compounds of the present invention have an excellent antitumor effect and are hence useful as antitumor agents in the field of medicine.

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