| 摘要 |
wherein R111, R121, R131 and R141 represent a group of formula (II); R112, R122, R132 and R142 represent a substituent; M1 represents two hydrogen atoms, two monovalent metal atoms, etc.; n112, n122, n132 and n142 are 0 to 4; R211-R218 represent H or a substituent; X211 and X212 represent -O-, -S- or -N(R220)-; R219 and R220 represent H, an aliphatic group, etc.; n211 is 2 or more; and n212 is 1 or more. |
