Tryptase inhibitors

A compound of formula I

• 14
• in which
• M is a central structural unit selected from the following list
• 15
• where
• n is 1 or 2,
• U1 and U2 are identical or different and are methylene [—CH2—], ethylene [—CH2—CH2—], trimethylene [—CH2—CH2—CH2], tetramethylene [—CH2—CH2—CH2—CH2—] or isopropylidene [—C(CH3)2—],
• K1 is —B3-Z1-B5X1,
• K2 is —B4-Z2-B6-X2,
• B1 and B2 are identical or different and are —O—, —NH—, —O—(CH2)m—O— or —O—(CH2)m—NH—,
• m is 1, 2, 3 or 4,
• B3 and B4 are identical or different and are a bond or 1-2C-alkylene,
• B5 and B6 are identical or different and are a bond or 1-2C-alkylene,
• X1 and X2 are identical or different and are amino, aminocarbonyl, amidino or guanidino,
• Z1 and Z2 are identical or different and are 5,2-pyridinylene, 6-methyl-5,2-pyridinylene, 4,1-piperidinylene, 3,6-indazolylene, 3,6-indolylene, 1,3-phenylene, 1,4-phenylene, 1,3-cyclohexylene or 1,4-cyclohexylene,
• R1 and R2 are identical or different and are —C(O)OR3 or —C(O)N(R4)R5, where
• R3 is hydrogen, 1-4C-alkyl, 3-7C-cycloalkyl, 3-7C-cycloalkylmethyl or benzyl,
• R4 and R5 are, independently of one another, hydrogen, 1-4C-alkyl, 3-7C-cycloalkyl or
• 3-7C-cycloalkylmethyl, or in which R4 and R5 together and with inclusion of the nitrogen atom to which they are bonded are a 1-pyrrolidinyl, 1-piperidinyl, 1-hexahydroazepinyl, 1-piperazinyl or 4-morpholinyl radical,
• R6 and R7 are identical or different and are hydrogen or 1-2C-alkyl,
• or a salt of this compound.