cis-4-(3-chlorobenzoyloxy)-3-hydroxy-7-methoxy-2,2-dimethylchroman
l-menthoxyacetic acid chloride
cis-3,4-dihydroxy-7-methoxy-2,2-dimethylchroman
trans-4-(3-chlorobenzoyloxy)-3-hydroxy-7-methoxy-2,2-dimethylchroman
trans-3,4-dihydroxy-7-methoxy-2,2-dimethylchroman