H-series Blister Agents
H-series Blister Agents : A series of persistent blister agents that includes levinstein (sulfur) mustards (H), distilled mustard (HD), nitrogen mustards (HN), a mustard-lewisite mixture (HL), a mustard T mixture (HT), a sulfur-mustard/sesqui-mustard mixture (HQ), and sesqui-mustard (Q)