20975-53-5 CARBONIC ACID, THIO-, ANHYDROSULFIDE with 4-CHLORO-3-METHYLDITHIOCARBANILIC ACID Carbonic acid, thio-, anhydrosulfide with 4-chloro-3-methyldithiocarbanilic acid, ethyl ester Thiocarbonic acid anhydrosulfide with 4-chloro-3-methyldithiocarbanilic acid ethyl ester