1-diethoxyphosphoryl-2-methylbuta-1,3-diene

1-(2,2-dimethylchromen-6-yl)ethanol

1-methyl-4-(2-methylbut-3-en-2-ylsulfonyl)benzene

2,2,8,8,10-pentamethyl-3,4,6,7-tetrahydro-2H,8H-benzo<1,2-b:5,4-b'>dipyran

2,2,8-trimethyl-3,4-dihydrochromen-7-ol