4. Sirné yperity:

a. (2-Chlorethyl)(chlormethyl)sulfid (CAS 2625-76-5);

b. Yperit: Bis(2-chlorethyl)sulfid (CAS 505-60-2);

c. Bis[(2-chlorethyl)sulfanyl]methan (CAS 63869-13-6);

d. Seskviyperit:
1,2-Bis[(2-chlorethyl)sulfanyl]ethan (CAS 3563-36-8);

e. 1,3-Bis[(2-chlorethyl)sulfanyl]propan (CAS 63905-10-2);

f. 1,4-Bis[(2-chlorethyl)sulfanyl]butan (CAS 142868-93-7);

g. 1,5-Bis[(2-chlorethyl)sulfanyl]pentan (CAS 142868-94-8);

h. Bis{[(2-chlorethyl)sulfanyl]methyl}ether (CAS 63918-90-1);

i. Kyslíkatý yperit:
Bis{2-[(2-chlorethyl)sulfanyl]ethyl}ether (CAS 63918-89-8);