HRID2394460
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4-(5-Chloro-2-methoxybenzamidomethyl)-6-(ethylaminothiocarbonylaminosulfonyl)-7-methoxychroman ##STR35## 4-(5-Chloro-2-methoxybenzamidomethyl)-6-(ethylaminothiocarbonylaminosulfonyl)-7-methoxychroman is synthesize as described in Example 4 from 4-(5-chloro-2-methoxybenzamidomethyl)-6-sulfamoyl-7-methoxychroman and ethyl isothiocyanate. Melting point: 196°-197° C.