1,5-bis(3,4-dimethoxyphenyl)tetrahydropyran
CAS No. 143317-76-4
1,5-bis(3,4-dimethoxyphenyl)tetrahydropyran
proksifein 80539-94-2
Unspecified 805251-84-7
Caved-S 8053-69-8
Duguenaine 80550-24-9
黄酚酞
Fe.3/2H2O4S.5H2O 805252-83-9