97超碰碰,久久久久久久极品,日一日操一操

Rhoduline acid;
7,7'-Iminobis(4-hydroxy-2-naphthalenesulfonic acid);
4,4'-Dihydroxy-7,7'-iminodi(naphthalene-2-sulfonic acid);
5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid

C20H15NO8S2

詳情

供應商

91-96-3

雙乙酰乙酰-3,3'-二甲基聯(lián)苯胺;
N,N'-雙乙酰乙酰-3,3'-二甲基-4,4'-聯(lián)苯二胺;
冰染偶合組分5;
色酚AS-G

N,N'-(3,3'-Dimethyl-4,4'-biphenyldiyl)bis(3-oxobutanamide);
p,p'-bis(o-acetoacetotoluidide);
naphthol AS-G

二甲基聯(lián)苯二異氰酸酯;
3,3'-二甲基-4,4'-聯(lián)苯二異氰酸酯;
鄰聯(lián)甲苯二異氰酸酯

3,3'-Dimethyl-4,4'-biphenylene diisocyanate;
3,3'-Dimethylbiphenyl-4,4'-diyl diisocyanate

N,N'-二(2-萘基)對苯二胺;
N,N'-二(beta-萘基)對苯二胺;
橡膠防老劑DNP

N,N'-Di-2-naphthyl-p-phenylenediamine;
N,N'-bis(2-naphthyl)-p-phenylenediamine;
Di-beta-naphthyl-p-phenylenediamine;
DBNPD

4,4'-亞甲基雙(異氰酸苯酯);
亞甲基二對苯基二異氰酸酯;
二苯基甲烷-4,4'-二異氰酸酯

4,4'-Diphenylmethane diisocyanate;
4,4'-Methylenebis(phenyl isocyanate);
1,1'-Methylenebis(4-isocyanatobenzene);
MDI

1,1,3,3-四甲氧基丙烷

1,1,3,3-Tetramethoxypropane;
Malonaldehyde bis(dimethyl acetal);
Malonaldehyde tetramethyl acetal;
TMOP

二環(huán)庚二烯;
2,5-降冰片二烯

2,5-Norbornadiene;
bicyclo[2.2.1]hepta-2,5-diene

1,1,3,3-四乙氧基丙烷

Malonaldehyde bis(diethyl acetal);
1,1,3,3-Tetraethoxypropane

偶氮二甲酰胺;
偶氮甲酰胺

Azodicarbonamide;
1,1'-Azobisformamide

亞硫酸氫鈉甲萘醌;
維生素K3

Menadione sodium bisulfite;
Menadione sodium hydrogen sulfite

猩紅酸;
6,6'-(1,3-亞脲基)雙(1,1'-萘酚)-3,3'-磺酸

6,6'-Ureylene-bis(1-naphthol-3-sulfonic acid);
7,7'-(Carbonyldiimino)bis[4-hydroxy-2-naphthalenesulfonic acid];
4,4'-Dihydroxy-7,7'-ureylenedi(naphthalene-2-sulphonic acid)