39421-75-5 ? ?? 2- ?? ?? ??? ???
| ???? |
? ?? 2- ?? ?? ??? ??? |
| ?? |
?? ?, 2- ??? ?? ??? ???; ???????? ??; ???????? ??? |
| ?? ?? |
gum guar 2-hydroxypropyl ether;Guar gum, 2-hydroxypropyl ether; Hydroxypropyl guar; Hydroxypropyl guar gum |
| ??? |
C3H8O2?x |
| cas?? |
39421-75-5 |
|