A carbinol derivative represented by the following general formula (1) or one of its salts: ** Formula ** wherein R1 represents a hydrogen atom, C1-8 alkyl group, C1-6 alkoxy group- C1-8 alkyl or C1-8 acyl group, R2, R3, R4 and R5 each independently represents a hydrogen atom, halogen atom, C18 alkyl group, C3-8 cycloalkyl group, C2-8 alkenyl group, cycloalkenyl group, group C3-8 cycloalkenyl-C 1-8 alkyl, C16 alkoxy group, C6-10 aryl group, C6-10 aryl group, C6-10 aryl group, C2-6 aryl group, C1-6-thio alkyl group, C1-6 alkyl sulfulyl group, C1-6 alkyl sulfonyl group, C6-10 aryl sulfonyl group, nitro group, amino group, C1-6-amino monoalkyl group, C1-6-amino dialkyl group, C3-8 cycloalkyl group C1-8 alkyl, C3-8 cycloalkyl group C2-8, C3-8 cycloalkyl group C2-8 or haloalkyl C1-6 group (wherein the C6-10 aryl can be substituted with 1 to 3 identical or different substituents selected of the following group A), R6 and R7 each independently represent a hydrogen atom, C1-8 alkyl group, C3-8 cycloalkyl group, C6-10 aryl group or 5-11 membered heterocyclic group (wherein the C6-10 aryl or the 5 to 11 membered heterocycle may be substituted with 1 to 3 identical or different substituents selected from the following group A) or R6 and R7 can together form a 5 to 7 membered carbocycle, R8 represents a hydrogen atom , C1-8 alkyl group, C1-6 halo-alkyl group or C3-8 cycloalkyl group, R9 and R10 each independently represent a hydrogen atom, hydroxy group or C1-6 or R9 and R10 alkoxy group can together forming a carbonyl group and L represents a C3-15 alkyl chain, C3-15 alkenyl chain or C3-15 alkynyl chain, [Group A: a halogen atom, C1-8 alkyl group, C1-6 haloalkyl group , cyano group, nitro group, hydroxy group, amino group, C1-6-amino monoalkyl group, C1-6-amino dialkyl group, group C1-6 alkoxy, C1-6 haloalkoxy group, carboxyl group, C2-8-oxy acyl group, C1-6 alkoxycarbonyl group, C6-10 aryl group, C6-10 aryl group- C1-6 alkoxy (which may be substituted with 1 to 3 identical or
