p. 1451 - 1464
(1987)2-<2'-(4-acethoxy-3-methoxycarbonylphenoxy)-4'-methoxy-6'-methylbenzoyloxy>-4-methoxy-6-methylbenzoic acid
2'-(4'-acetoxy-3'-methoxycarbonylphenoxy)-4-methoxy-6-methylbenzoic 2''-hydroxy-4''-methoxy-6''-methylbenzoic anhydride
2''-hydroxy-4''-methoxy-6''-methylbenzoic 2-(4'-hydroxy-3'-methoxycarbonylphenoxy)-4-methoxy-6-methylbenzoic anhydride
4'-acetoxy-3'-methoxycarbonylphenyl 2-hydroxy-4-methoxy-6-methylbenzoate
4'-hydroxy-3'-methoxycarbonylphenyl 2-hydroxy-4-methoxy-6-methylbenzoate