3226-37-7 4-06-00-01601 (Beilstein Handbook Reference) 4-Chlorobenzenethiocyanate 4-Chlorophenylthiocyanate BRN 2044483 Thiocyanic acid, 4-chlorophenyl ester Thiocyanic acid, p-chlorophenyl ester p-Chlorophenylthiocyanate