Substituted guanidine compounds

A compound of general formula (I):

• wherein,
• X is a CR1R2, a carbonyl group or a group of formula (Ia):
• R1 and R2, independently of each other, are a hydrogen atom, halogen atom, hydroxy group, protected hydroxy group, optionally substituted C1-C6 alkyl group or optionally substituted C1-C6 alkoxy group, where the term “substituted” refers to being substituted with at least one substituent selected from the group consisting of a deuterium atom, halogen atom, hydroxy group and C1-C6 alkoxy group,
• p and q, independently of each other, are integers from 0 to 3, provided that the sum of p and q is 2 or more,
• or a pharmacologically acceptable salt thereof.