20975-45-5 CARBONIC ACID, THIO-, ANHYDROSULFIDE with 3-CHLORO-4-IODODITHIOCARBANILIC ACID, Carbonic acid, thio-, anhydrosulfide with 3-chloro-4-iododithiocarbanilic acid, ethyl ester Thiocarbonic acid anhydrosulfide with 3-chloro-4-iododithiocarbanilic acid ethyl ester