| 释义 |
双向☞ octadecanoic acid--stearic acid-- octadecylic acid双向☞ stearic acid-- octadecylic acid--octadecanoic acid双向☞ stearic acid--octadecylic acid-- octadecanoic acid双向☞octadecanoic acid-- stearic acid-- octadecylic acid双向☞stearic acid-- octadecanoic acid-- o |