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| CAS号 | 产品英文名称 | 分子式 |
| 120373-36-6 ;120373-24-2 | UNOPROSTONE | C22 H38 O5 |
| 126784-99-4 ;96285-40-4 | ULIPRISTAL ACETATE | C30 H37 N O4 |
| 536724-67-1 | UMICORE M2 | C36 H36 Cl2 N2 Ru . C18 H33 P |
| 152914-68-6 | UNDECYL 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSIDE | C19 H37 N O6 |
| 24663-35-2 | UBIQUINONE-11 | C64 H98 O4 |
| 5629-60-7 | UNCARINE C | C21 H24 N2 O4 |
| 5171-37-9 | UNCARINE E | C21 H24 N2 O4 |
| 7372-30-7 | URSOLIC ACID ACETATE | C32 H50 O4 |
| 80449-32-7 ;80449-31-6 | URINASTATIN | |
| 2725-22-6 | ULTRAVIOLET ABSORBENT UV-1164 | C33 H39 N3 O2 |
| 869788-71-6 | URSONIC ACID BENZYL ESTER | C37 H52 O3 |
| 92953-41-8 ;112465-94-8 | U-54494A HYDROCHLORIDE | C18 H24 Cl2 N2 O . Cl H |
| 63856-18-8 | UV-ABSORBENT TRIAZINE-5 | C33 H33 N3 O9 |
| 6417-85-2 | URANINE K HYDRATE | C20 H10 O5 . 2 K . H2 O |
| 506-89-8 | UREA HYDROCHLORIDE | C H4 N2 O . Cl H |